Allentown Climate & Monthly Temperature Overview – United States

Summer in Allentown

Allentown experiences hot and humid summers, with average temperatures ranging from 63°F to 86°F in July. Humidity levels can be high, making it feel even hotter. Thunderstorms are common during this season, providing occasional relief from the heat. Summer days can be long, with an average of 14 hours of daylight per day. The city’s parks and outdoor spaces offer respite from the summer heat, with ample shade and cooling breezes.

Winter in Allentown

In contrast to the warm summers, Allentown winters are cold and snowy. Average temperatures in January range from 18°F to 34°F, with frequent snowfall. Snowfall can accumulate quickly, especially during January and February, making driving and outdoor activities challenging. Wind chills can make the cold even more severe, as temperatures can drop below freezing. Despite the cold weather, Allentown residents embrace winter activities such as ice skating, sledding, and cross-country skiing.

The Average Temperature in Allentown, United States

The average temperature in Allentown, United States, varies throughout the year. During the summer months (June-August), the average temperature ranges from a comfortable 75°F (24°C) to a sweltering 85°F (29°C). The humidity levels tend to be high during this time, making it feel even warmer.

In the spring (March-May) and fall (September-November), the temperatures become more moderate, with average highs ranging from 55°F (13°C) to 70°F (21°C). The humidity levels also decrease, making it more comfortable to be outdoors. During the winter months (December-February), the temperatures drop significantly, with average lows falling to around 20°F (-7°C). Snowfall is common during this time of year, and the wind chill can make it feel even colder.

Types of Clouds in Allentown, United States

Allentown, United States, experiences various types of clouds throughout the year. The most common types of clouds are cirrus, cumulus, and stratus. Cirrus clouds are thin and wispy, and are often seen on clear days. Cumulus clouds are fluffy and have a rounded appearance, and are often associated with fair weather. Stratus clouds are flat and gray, and often cover the entire sky. Less common cloud types include altostratus, altocumulus, and cirrocumulus.

Cloud Formation in Allentown, United States

The formation of clouds in Allentown is influenced by the city’s location and climate. Allentown is located in the eastern United States, which is characterized by a humid continental climate. This climate features hot, humid summers and cold, snowy winters. The warm, moist air in the summer provides ample moisture for cloud formation, while the cold air in the winter helps to condense the water vapor into clouds. The city’s proximity to the Atlantic Ocean also plays a role in cloud formation, as the ocean’s moisture can be carried inland by prevailing winds.

Annual Precipitation in Allentown, United States

Allentown, Pennsylvania, in the United States, experiences an average of 44 inches (1117 mm) of precipitation annually. This precipitation is fairly evenly distributed throughout the year, with slightly higher amounts falling during the summer months. The driest month is February, with an average of 2.5 inches (63 mm) of precipitation, while the wettest month is July, with an average of 4.7 inches (119 mm). The city receives approximately 200 days of precipitation per year, with the majority being either rain or snow.

Impact of Precipitation on the City

The amount of precipitation Allentown receives has a significant impact on the city’s environment and economy. The water from precipitation replenishes local water sources, such as rivers and lakes, which are essential for drinking water, irrigation, and recreation. The rain and snow also help to wash away pollutants and keep the air clean. However, excessive precipitation can also lead to flooding, which can damage infrastructure and cause widespread disruption.

Annual Rainfall

Allentown, located in Pennsylvania, United States, experiences an average of 48 inches of rainfall annually. This precipitation is relatively evenly distributed throughout the year, with a slight increase during the warmer months from May to September. However, there can be significant variations from year to year, with some years receiving as little as 29 inches of rain and others experiencing over 65 inches.

Seasonal Precipitation

The majority of rainfall in Allentown occurs during the summer months, with July and August typically receiving the most precipitation. During these months, an average of over 4 inches of rain falls per month, with occasional thunderstorm downpours bringing heavy bursts of precipitation. Spring and autumn are slightly drier, with average rainfall amounts ranging from 3 to 4 inches per month. Winters are the driest season, with monthly rainfall often falling below 2 inches. Snowfall can also be significant during the winter months, although it typically melts quickly and contributes relatively little to the overall annual precipitation.

Annual Snowfall and Characteristics

Allentown, Pennsylvania experiences moderate snowfall annually, with an average of 40.3 inches (102.4 cm) falling each year. Snowfall typically begins in November and lasts until March, with the heaviest accumulations occurring in January and February. The snow is often light and fluffy due to the influence of the mid-latitude cyclones that bring moisture to the region. However, occasional heavy snowstorms can dump several inches of snow in a single event, leading to accumulation that exceeds normal levels.

Impact on the City

Snowfall in Allentown can significantly impact the city’s operations and daily life. When snow accumulation exceeds a few inches, roads become slippery and hazardous, leading to traffic delays and school closures. Public transportation may also face disruptions, particularly if snow accumulation becomes excessive. Additionally, snow removal costs can strain the city’s budget and require the allocation of resources away from other urban services. Residents typically prepare for winter by stocking up on snow removal equipment, such as shovels, snow blowers, and salt, to ensure their safety and ease of movement during snowfall events.

Sunrise and Sunset Times in Allentown

Allentown, located in Pennsylvania, United States, experiences variations in sunrise and sunset times throughout the year due to the Earth’s tilt and rotation. The earliest sunrise occurs around June 21st, with the sun rising around 5:30 AM. In contrast, the latest sunrise happens around December 21st, with the sun rising closer to 7:30 AM. As for sunset, its timing also varies, with the earliest sunset occurring around December 21st, when the sun sets around 4:30 PM. On the other hand, the latest sunset occurs around June 21st, when the sun sets around 8:30 PM.

Sun Exposure and Health Benefits in Allentown

The sun is an essential provider of vitamin D, which is crucial for bone health and overall well-being. In Allentown, Pennsylvania, the sun’s intensity varies throughout the year. During the summer months, from May to September, Allentown experiences high levels of UV radiation, making it important to take precautions such as wearing sunscreen, sunglasses, and protective clothing when spending extended periods outdoors. However, during the winter months, from November to March, the sun’s UV radiation is significantly lower, and individuals may need to supplement their vitamin D intake through diet or supplements.

The Moon’s Effect on Allentown, United States

The moon’s gravitational pull affects the tides in the oceans and seas around the world. Allentown, Pennsylvania, is located about 60 miles from the coast, so the moon’s tidal effects are not as pronounced as they are in coastal areas. However, the moon does still have a small effect on the tides in the Delaware River, which flows through Allentown. The moon’s gravity causes the river to rise and fall by about one foot twice a day.

The moon also affects the Earth’s rotation. The moon’s gravity pulls on the Earth, causing it to wobble slightly on its axis. This wobble is known as the precession of the equinoxes. The precession of the equinoxes takes about 26,000 years to complete one cycle. During this cycle, the position of the stars in the night sky gradually changes.

Average Humidity Levels

Allentown, Pennsylvania experiences relatively high humidity throughout the year. The average annual relative humidity is approximately 70%, with minimal variation between seasons. January and February are the driest months, with humidity levels dipping to around 65%. In contrast, July and August are the most humid months, with humidity levels soaring to an average of 75%. These high humidity levels can make it feel uncomfortable outdoors, particularly during the summer months.

Impact on Outdoor Activities

The high humidity in Allentown can impact outdoor activities. In the summer, the combination of heat and humidity can lead to heat index values that exceed 100 degrees Fahrenheit, making strenuous outdoor activities potentially dangerous. Additionally, high humidity can make it difficult to cool down, leading to discomfort and potential heat-related illnesses. To avoid heat-related problems, it is important to stay hydrated, seek shade during the hottest hours of the day, and limit outdoor activities during periods of high humidity.

Seasonal Trends

The humidity in Allentown follows a seasonal pattern. Winter months are generally drier, as cold air holds less moisture. As temperatures rise in the spring, humidity levels also increase. Peak humidity occurs during the summer months, when warm, moist air from the Gulf of Mexico flows into the region. In the fall, humidity levels gradually decrease as temperatures cool and precipitation becomes less frequent. This seasonal pattern ensures that Allentown experiences a wide range of humidity conditions throughout the year.

Wind Patterns

Allentown, United States, experiences a humid subtropical climate characterized by hot, humid summers and cold, dry winters. The prevailing wind direction in Allentown is from the west, which is influenced by the large-scale atmospheric circulation patterns in the region. During the summer months, the winds tend to be lighter and more variable, while in the winter, winds can be stronger and more consistent.

Wind and Weather

The wind in Allentown can significantly impact the city’s weather conditions. Strong winds can lead to increased wind chill in the winter, making temperatures feel colder. Additionally, winds can affect precipitation patterns, with stronger winds often leading to increased cloud cover and precipitation. During severe weather events, such as thunderstorms, high winds can cause significant damage to trees and structures.

Spring (April-May)

Spring in Allentown brings mild temperatures and a vibrant burst of colors. The average temperature ranges from 45°F to 70°F (7°C to 21°C), making it an ideal time for outdoor exploration. The city’s verdant parks, such as West Park and Cedar Creek Park, are at their best, offering picturesque strolls and scenic picnics. Additionally, the annual Allentown ArtsWalk takes place in the spring, featuring a showcase of local artists and live performances.

Fall (September-November)

Fall in Allentown is known for its breathtaking foliage and crisp autumn air. Temperatures typically range from 50°F to 75°F (10°C to 24°C), providing comfortable conditions for exploring the city’s historic neighborhoods and participating in outdoor activities. The Lehigh Valley Wine Trail offers scenic drives and opportunities to sample local vintages. The Great Allentown Fair, an agricultural fair with carnival rides and live music, also takes place in the fall, adding to the festive atmosphere.

Solar Potential in Allentown

Allentown, Pennsylvania, enjoys abundant sunshine, making it an ideal location for solar energy utilization. The city receives an average of 5.34 peak sunlight hours per day, which is significantly higher than the national average of 4.7 hours. This favorable solar resource provides ample opportunities for both residential and commercial solar installations. The potential for solar energy generation in Allentown is further enhanced by the availability of financial incentives such as tax credits and rebates, which help reduce the upfront costs associated with solar system installations.

Environmental and Economic Benefits

Harnessing solar energy in Allentown offers numerous environmental and economic advantages. Solar electricity production does not emit greenhouse gases or air pollutants, contributing to cleaner air and a healthier environment. By embracing solar energy, Allentown can reduce its reliance on fossil fuels, promoting energy independence and mitigating climate change impacts. Additionally, solar installations create local jobs in the clean energy sector and stimulate economic growth within the community.

Allentown’s Topography: An Overview

Allentown, Pennsylvania, is nestled within a region characterized by rolling hills and valleys, creating a topographically diverse landscape. The city lies in the Lehigh Valley, a broad, flat-bottomed trough formed by the Lehigh River. The Lehigh River, which flows through the city, has carved out a deep gorge that bisects Allentown, creating a dramatic change in elevation. This geological feature has played a significant role in the city’s history, providing both a transportation corridor and a natural defense against attack.

Distinct Landforms and Elevations

The city’s topography is characterized by a series of parallel ridges and valleys stretching from the southwest to the northeast. These ridges, which include South Mountain, provide scenic vistas and offer opportunities for hiking and recreation. The highest point in Allentown is Skyline Drive, which rises to an elevation of 700 feet above sea level. The lowest elevation is found along the banks of the Lehigh River, which sits at approximately 300 feet above sea level. This significant elevation change within a relatively small area contributes to Allentown’s diverse topography and creates a visually striking landscape.

Lehigh Valley International Airport (ABE)

Lehigh Valley International Airport (ABE) is the closest airport to Allentown, Pennsylvania. It is located approximately 4 miles (6 kilometers) northeast of the city center and offers both domestic and international flights. ABE is served by major airlines such as American, Delta, United, and Southwest, providing convenient connections to destinations throughout the United States and beyond. The airport features a modern terminal with a variety of amenities, including restaurants, shops, and free Wi-Fi.

Other nearby airports

In addition to Lehigh Valley International Airport, there are several other airports within a reasonable driving distance of Allentown. Philadelphia International Airport (PHL) is located approximately 55 miles (89 kilometers) southeast of Allentown, while Newark Liberty International Airport (EWR) is about 70 miles (113 kilometers) northeast. Both PHL and EWR are major hubs with extensive domestic and international flight options. However, Lehigh Valley International Airport remains the most convenient option for travelers seeking close proximity to Allentown.

Arts and Culture in Allentown

Allentown boasts a vibrant arts and culture scene with a diverse array of attractions. The Allentown Art Museum houses a renowned collection of American art, including works by Mary Cassatt, Georgia O’Keeffe, and Edward Hopper. The Baum School of Art offers classes and workshops for aspiring artists of all ages. The Civic Theatre of Allentown stages a wide range of theatrical productions, from Broadway classics to contemporary dramas. Additionally, Allentown is home to several independent art galleries, performance venues, and cultural festivals.

History and Architecture in Allentown

Allentown’s rich history is evident in its many historic buildings and landmarks. The Allentown Historic District, a 44-acre area in the heart of the city, showcases Victorian architecture from the 19th century. The John Penn House, built in 1762, is the oldest surviving building in Allentown and now serves as a museum. The Allentown Public Library, opened in 1916, is a magnificent example of Beaux-Arts architecture. The Lehigh Valley Heritage Museum provides a comprehensive overview of the region’s history, from its Native American roots to its industrial heritage. The city’s architecture reflects a blend of styles, including Federal, Greek Revival, Italianate, and Victorian.