Frederick Climate & Monthly Temperature Overview – United States


Summer

Frederick experiences warm, humid summers with average temperatures ranging from the mid-60s to the mid-80s Fahrenheit. While the days can be hot, the nights are typically mild, offering a respite from the heat. Precipitation is relatively common during this time of year, with thunderstorms being a frequent occurrence. The summer months are also the sunniest of the year, with an average of over 7 hours of sunshine per day.

Winter

In contrast to its warm summers, Frederick experiences cold, snowy winters. Average temperatures hover around the freezing mark throughout the winter months, with lows often dipping below zero. Snowfall is common, with an average of around 28 inches per year. While the winters can be harsh, they are also relatively short, with the coldest months being January and February. Snowstorms can cause transportation delays and disrupt daily activities, but the city is well-equipped with snow removal crews to keep roads clear.

Summer in Frederick, United States

Frederick, United States, experiences warm summers with average temperatures ranging from the mid-70s to the low 80s Fahrenheit (24-28 degrees Celsius). The hottest month is July, with an average high temperature of 87 degrees Fahrenheit (30.6 degrees Celsius). However, the humidity levels are relatively low, making the heat more bearable. Summer evenings are typically mild, with temperatures dropping into the mid-60s Fahrenheit (18-19 degrees Celsius).

Spring and Fall in Frederick, United States

Spring and fall in Frederick, United States, are characterized by mild temperatures and moderate rainfall. In spring, temperatures gradually rise from the mid-40s Fahrenheit (7-8 degrees Celsius) in March to the mid-60s Fahrenheit (18-19 degrees Celsius) in May. Fall temperatures follow a similar pattern, cooling from the low 60s Fahrenheit (16-17 degrees Celsius) in September to the mid-40s Fahrenheit (7-8 degrees Celsius) in November. These seasons offer pleasant weather for outdoor activities such as hiking, biking, and picnicking.

General Cloud Characteristics in Frederick

Frederick, United States, experiences a wide range of cloud formations throughout the year. The geographical location and prevailing weather patterns influence the types of clouds observed. Cumulus clouds, with their distinct puffy appearance, are common in the region. They form in fair weather conditions and often indicate stable atmospheric conditions. Stratus clouds, on the other hand, appear as a uniform, gray layer covering the sky. They are associated with drizzle, light rain, or snow and can lead to overcast conditions. Cirrus clouds, composed of ice crystals, are thin and feathery in appearance. They often indicate fair weather and can appear at high altitudes.

Seasonal Variations and Cloud Patterns

Cloud patterns in Frederick vary significantly across seasons. During the summer months, thunderstorms are frequent. Cumulonimbus clouds, characterized by their towering anvil-shaped tops, produce heavy rainfall, lightning, and sometimes hail. In autumn, high-level cirrus clouds are prevalent, often accompanying clear skies. Winter brings a mix of stratus and nimbostratus clouds. Nimbostratus clouds bring prolonged precipitation, such as rain or snow, while stratus clouds can lead to foggy or hazy conditions. In spring, cumulus clouds dominate the skies, marking the transition to warmer temperatures and increased precipitation.

Precipitation Patterns

Frederick, Maryland experiences a humid subtropical climate with year-round precipitation. The average annual rainfall is approximately 40 inches, distributed fairly evenly throughout the year. However, there are seasonal variations in precipitation patterns. Summer months tend to be the wettest, with frequent thunderstorms and occasional tropical cyclones. During the spring and fall, precipitation is generally more consistent but less intense. Winter months are typically drier, with precipitation often occurring in the form of snow or sleet.

Impact on Local Ecosystems and Water Resources

Precipitation plays a crucial role in the ecology of Frederick and its surrounding areas. Rainwater replenishes water resources, such as the Potomac River and its tributaries. Additionally, precipitation supports diverse plant and animal life. The abundant plant growth during the rainy season provides a food source for local wildlife, including deer, squirrels, and birds. Wetlands and floodplains, fed by precipitation, serve as important habitats for a variety of aquatic species. Furthermore, rainfall helps to regulate air quality by removing pollutants and dust from the atmosphere.

Average Rainfall

Frederick, located in the state of Maryland, United States, receives a significant amount of rainfall throughout the year. According to the National Weather Service, the average annual rainfall in Frederick is approximately 40 inches (102 centimeters). This precipitation is fairly evenly distributed throughout the seasons, with the wettest months being May, June, and July. During these months, Frederick typically receives around 4-5 inches (10-13 centimeters) of rainfall each month.

Seasonal Variability

While rainfall in Frederick is generally consistent throughout the year, there is some seasonal variability. The driest months are typically January and February, when precipitation levels drop to an average of around 2-3 inches (5-8 centimeters) per month. In contrast, the wettest months of May, June, and July experience average rainfall amounts of 4-5 inches (10-13 centimeters) per month. These seasonal fluctuations in rainfall are largely influenced by the prevailing weather patterns in the region.

Historical Snowfall Patterns

Frederick, United States, experiences moderate snowfall, with an average annual accumulation of around 20 inches. Snowfall typically occurs from December to March, with the heaviest accumulations usually happening in January and February. However, snowfall patterns can vary significantly year over year. For instance, the city received an unusually high 42 inches of snow during the 2009-2010 winter season, while the 2011-2012 winter season brought only 5 inches. These fluctuations are influenced by various factors, including atmospheric circulation patterns and the influence of bodies of water.

Impacts of Snowfall

Snowfall in Frederick can have a range of impacts on daily life. When heavy snowfalls occur, roads and public transportation may be disrupted, schools may close, and outdoor activities may be canceled. However, snowfall can also have positive effects, such as increasing snowpack in nearby mountains, which provides water for downstream communities and supports winter recreation. In addition, snowfall can create picturesque winter landscapes that attract tourists and provide opportunities for seasonal activities like sledding and skiing.

Sunrise and Sunset Times

In Frederick, Maryland, the sunrise and sunset times vary throughout the year due to the Earth’s tilt on its axis. During the summer months (June to September), the sun rises earlier and sets later, resulting in longer daylight hours. For example, on June 20th, the summer solstice, the sun rises around 5:30 AM and sets around 8:30 PM. In contrast, during the winter months (December to March), the sun rises later and sets earlier, resulting in shorter daylight hours. On December 21st, the winter solstice, the sun rises around 7:15 AM and sets around 5:15 PM.

Sunlight Hours and Daylight Saving Time

The number of sunlight hours per day in Frederick also varies throughout the year. In the summer, Frederick experiences approximately 15 hours of daylight, while in the winter, it experiences only about 9 hours. Additionally, Daylight Saving Time (DST) is observed in Frederick from March to November, which involves setting clocks forward by one hour in the spring and back by one hour in the fall. During DST, the sun rises and sets an hour later than standard time, further extending daylight hours in the evening during the summer months.

Moonrise and Moonset Times:

The moon’s visibility in Frederick, United States, varies throughout the month. The exact times for moonrise and moonset vary daily due to the Earth’s rotation and the moon’s orbit around our planet. Generally, moonrise occurs around 6 pm and moonset around 6 am during a full moon. However, these timings can shift by several hours depending on the day of the lunar cycle.

Moon Phases:

The moon goes through various phases throughout its orbit around Earth. In Frederick, as in the rest of the world, the moon cycle consists of:

  • New moon: When the moon is between the Earth and the sun, it is invisible from Earth.
  • Waxing crescent: As the moon moves away from the sun, a thin crescent shape becomes visible.
  • First quarter: The moon is half illuminated, appearing as a quarter circle.
  • Waxing gibbous: The illuminated portion of the moon grows, becoming more than half full.
  • Full moon: The moon is fully illuminated and appears as a complete circle.
  • Waning gibbous: The illuminated portion of the moon starts to decrease.
  • Third quarter: The moon is again half illuminated, but this time the other half is illuminated.
  • Waning crescent: The illuminated portion of the moon continues to diminish, forming a crescent shape.

Seasonal Humidity Patterns

Frederick, United States, experiences significant seasonal variations in humidity levels throughout the year. The warmest months, from June to August, coincide with the highest humidity levels, with average relative humidity exceeding 70%. During this period, the city often experiences muggy and oppressive conditions, particularly during the evening and early morning hours. Conversely, the coldest months, from December to February, are characterized by the lowest humidity levels, with relative humidity typically falling below 50%. This dryness is often accompanied by cold, crisp air, making it more comfortable to spend time outdoors.

Absolute vs. Relative Humidity

It’s important to note the distinction between absolute and relative humidity. While relative humidity measures the amount of moisture present in the air relative to its saturation point, absolute humidity refers to the actual amount of water vapor in the air. Absolute humidity is typically higher during the summer months and lower during the winter months, regardless of relative humidity levels. The high temperatures during the summer allow the air to hold more water vapor, while the cold temperatures during the winter limit the amount of water vapor that can be present.

Wind Patterns and Speed

Frederick, United States, experiences a humid subtropical climate characterized by mild winters and hot, humid summers. The prevailing wind direction throughout the year is from the west-southwest, bringing moist air masses from the Gulf of Mexico. During the winter months, wind speeds are generally moderate, averaging around 7-12 miles per hour (mph). From spring to fall, wind speeds increase slightly, with average speeds ranging from 9-16 mph. However, during periods of strong thunderstorms or frontal systems, wind gusts can reach up to 50 mph or more.

Seasonal Variations

Wind patterns in Frederick vary with the seasons. During the winter, prevailing winds from the west-southwest bring occasional cold fronts that can cause gusty winds. In the spring, winds become more variable, with frequent changes in direction and speed as weather systems pass through the area. Summer winds are typically lighter and more humid, originating from the south and southeast. Autumn brings a return to stronger winds as cold fronts move through the region, bringing occasional periods of strong gusts and blustery conditions.

Spring (April-May)

For those seeking a vibrant display of nature’s awakening, spring in Frederick is an idyllic time to visit. The city’s parks and gardens burst into bloom, transforming the landscape into a tapestry of colors. The historic district, with its charming cobblestone streets, offers a delightful stroll amidst blooming cherry trees and fragrant magnolias. Moreover, the weather is typically mild and pleasant, making it perfect for outdoor activities such as picnics, bike rides, and scenic drives.

Fall (September-October)

As the days grow shorter and the air turns crisp, fall casts a warm and inviting glow over Frederick. The foliage surrounding the city transforms into a breathtaking spectacle of crimson, gold, and amber. It’s an ideal time for hiking or biking through nearby Catoctin Mountain Park, where you can witness the vibrant autumn colors on full display. Oktoberfest, held annually in downtown Frederick, is a lively celebration of German culture, offering traditional food, music, and dancing. The crisp autumn air also makes for cozy evenings exploring the historic downtown, where you can savor local cuisine in charming cafes and restaurants.

Solar Irradiance and Potential

Frederick, Maryland, boasts excellent solar irradiance, with an average of 4.9 peak sun hours per day. This places Frederick in a favorable position for solar energy harvesting. The city receives ample sunlight throughout the year, making it an ideal location for solar panel installations. Additionally, Frederick has implemented policies that encourage the adoption of solar energy, such as the Solar Frederick Initiative, which provides incentives to homeowners and businesses that install solar systems.

Current Solar Energy Utilization and Future Prospects

Currently, solar energy accounts for a small portion of Frederick’s energy mix. However, the city has set ambitious goals to increase its utilization. The city’s Climate Action Plan aims to generate 100% of its electricity from renewable sources by 2030, with solar energy playing a significant role. Frederick is also working with local businesses and organizations to promote the installation of solar panels on rooftops and large-scale solar projects. By harnessing its abundant solar resources, Frederick can reduce its carbon footprint, increase energy independence, and create job opportunities in the renewable energy sector.

Frederick County’s Topography

Frederick County in Maryland, United States, is characterized by a diverse topography that ranges from undulating hills to steep mountain ridges. The topography of the county is shaped by several geological forces, including the collision of the North American and African plates, the erosion caused by the Potomac River and its tributaries, and the uplift of the Appalachian Mountains. The county is divided into three distinct physiographic provinces: the Piedmont, the Blue Ridge, and the Valley and Ridge. The Piedmont region, which covers the eastern and southern parts of the county, is characterized by rolling hills and fertile valleys. The Blue Ridge region, which forms the western boundary of the county, is dominated by the Blue Ridge Mountains, a series of rugged peaks and ridges that reach elevations of over 3,000 feet. The Valley and Ridge region, which lies between the Blue Ridge and the Appalachian Plateau, is characterized by a series of parallel ridges and valleys that run northeast to southwest.

Major Elevations and Water Bodies

The highest point in Frederick County is Sugarloaf Mountain, which has an elevation of 1,282 feet and is located in the Blue Ridge Mountains. The lowest point in the county is the Potomac River, which has an elevation of about 100 feet at the southernmost point of the county. The county is also home to several other notable mountains and hills, including South Mountain, Catoctin Mountain, and Elk Ridge. The county is drained by the Potomac River and its tributaries, including the Monocacy River, the Catoctin Creek, and the Linganore Creek. The Potomac River forms the southern boundary of the county and provides a major transportation route for the region. The county is also home to several lakes, including Lake Linganore, Lake Needwood, and Liberty Reservoir. These lakes provide recreational opportunities for residents and visitors alike and are important sources of water for the region.

Nearest airport in Frederick, United States

The nearest airport to Frederick, United States, is Baltimore/Washington International Thurgood Marshall Airport (BWI), located approximately 45 miles (72 kilometers) southeast of the city. BWI is a major international airport serving the Baltimore-Washington metropolitan area. It offers a wide range of domestic and international flights, including direct flights to destinations across the United States, Canada, Mexico, Europe, and the Caribbean.

Another nearby airport is Washington Dulles International Airport (IAD), located approximately 60 miles (96 kilometers) east of Frederick. IAD is a major international airport serving the Washington, D.C., metropolitan area. It offers a wide range of domestic and international flights, including direct flights to destinations across the United States, Canada, Mexico, Europe, Asia, and the Middle East. Both BWI and IAD offer a variety of ground transportation options to Frederick, including taxis, ride-sharing services, and public transportation.

History and Culture

Frederick, Maryland, is a city with a rich history dating back to the 18th century. It played a significant role in the American Revolution and served as a major hub for the Union army during the Civil War. Today, Frederick is a thriving and diverse community with a vibrant arts and culture scene. The city is home to several historical landmarks, including the Frederick County Courthouse, the National Museum of Civil War Medicine, and the Barbara Fritchie House. Additionally, Frederick boasts a wide range of museums, art galleries, and theaters, showcasing its rich cultural heritage. Visitors can explore the city’s past and present through guided tours, historical reenactments, and cultural festivals.

Outdoor Recreation and Natural Beauty

Nestled amidst rolling hills and lush greenery, Frederick offers an abundance of outdoor recreation opportunities. The city is surrounded by parks, hiking trails, and scenic waterways. The C&O Canal National Historical Park, a 184.5-mile towpath along the Chesapeake and Ohio Canal, provides a picturesque setting for walking, biking, and kayaking. Frederick also boasts several parks within city limits, including Carroll Creek Park, which features a scenic creek, walking paths, and a concert venue. Opportunities for fishing, boating, and wildlife observation are abundant in the nearby Potomac River and Antietam Creek. Whether you prefer leisurely strolls, challenging hikes, or water-based activities, Frederick has something to offer nature enthusiasts of all levels.