Dover Climate & Monthly Temperature Overview – United States

Summer in Dover

Summer in Dover, United States, is characterized by warm and humid weather. The average high temperature in July, the warmest month of the year, is 86°F (30°C), while the average low temperature is 64°F (18°C). Humidity levels are typically high during the summer months, averaging around 70%. Rainfall is common during the summer, with an average of 4.5 inches (114 mm) of precipitation per month. Thunderstorms are also a common occurrence during the summer months.

Winter in Dover

Winter in Dover, United States, is characterized by cold and snowy weather. The average high temperature in January, the coldest month of the year, is 38°F (3°C), while the average low temperature is 21°F (-6°C). Snowfall is common during the winter months, with an average of 12 inches (30 cm) of snow per month. Ice storms are also a common occurrence during the winter months. Blizzards can occur, but they are less common.

Average Temperature in Dover, United States

Dover, located in Delaware, experiences a humid subtropical climate with distinct seasonal variations. Its average temperature fluctuates based on the time of year. During the warm summer months (June to August), the average temperature reaches a high of approximately 86°F (30°C). The humidity levels are moderately high, making the weather feel warm and muggy.

In contrast, the winter months (December to February) bring cold and icy conditions. The average temperature drops to a low of around 33°F (0.6°C), and temperatures can occasionally dip below freezing. Snowfall is possible during this period, but it is generally not heavy due to the city’s proximity to the Atlantic Ocean.

Cloud Types in Dover, United States

Dover, located in the state of Delaware, United States, experiences a variety of cloud formations due to its coastal location and the influence of the Atlantic Ocean. The most common cloud types observed in Dover include cirrus, cumulus, stratus, and nimbus. Cirrus clouds are high-altitude clouds that appear thin and wispy, and are composed of ice crystals. Cumulus clouds are puffy and have rounded tops, and are associated with fair weather. Stratus clouds are flat, gray layers of clouds that cover the sky and can produce drizzle or light rain. Nimbus clouds are dark, rain-bearing clouds that can produce heavy precipitation.

Cloud Patterns and Weather Conditions in Dover, United States

The patterns and characteristics of clouds in Dover can often provide insights into the upcoming weather conditions. Cumulus clouds, for example, typically indicate fair weather, while cirrus clouds can be a sign of an approaching warm front. Stratus clouds often precede precipitation, and nimbus clouds are associated with heavy rain or thunderstorms. Additionally, the movement and speed of clouds can also provide clues about the weather. Fast-moving clouds, for instance, suggest that a storm is approaching, while slow-moving clouds indicate stable weather conditions. By observing the cloud patterns and characteristics in Dover, residents and visitors can gain a better understanding of the current and upcoming weather conditions.

Average Precipitation

Dover, United States, experiences moderate precipitation throughout the year, with a total annual average of 44.87 inches (1140.1 mm). The wettest months are July and August, which receive approximately 5.5 inches (139.7 mm) of precipitation each, while the driest month is February, with an average of 3.1 inches (78.7 mm). Precipitation is fairly evenly distributed throughout the year, with no distinct wet or dry seasons.

Variability and Extremes

Precipitation in Dover can exhibit significant variability from year to year. The wettest year on record was 2018, when Dover received a total of 65.89 inches (1673.5 mm) of precipitation. In contrast, the driest year on record was 2016, when the city received only 27.98 inches (710.7 mm). Extreme precipitation events, such as heavy rainfall or snowfall, are not uncommon in Dover. In August 2021, the city experienced a record-breaking 8.4 inches (213.4 mm) of rainfall in a single day.

Annual Rainfall Patterns

Dover, located in the state of Delaware, experiences an average annual rainfall of around 45 inches. The rainfall is generally well-distributed throughout the year, with the wettest months being June and July, which average over 5 inches of rain each. Comparatively, the driest months are January and February, which typically receive less than 3 inches of rain. Dover’s rainfall patterns are influenced by its location on the Atlantic coast and the prevailing easterly winds, which bring moisture from the ocean.

Seasonal Variations

During the spring months of March, April, and May, Dover experiences moderate rainfall, averaging around 3-4 inches per month. This rainfall is crucial for plant growth and helps replenish water sources. Summer rainfall is typically higher, with June and July often receiving more than 5 inches of rain. This rainfall can result in occasional thunderstorms and heavy downpours, causing localized flooding. In the fall, rainfall decreases somewhat, with September and October averaging around 3-4 inches of rain. November is generally the second driest month, with an average rainfall of around 3 inches. Winter rainfall is typically the lowest, with December, January, and February receiving less than 3 inches of rain per month.

Average Snowfall in Dover

Dover, located in the state of Delaware, experiences relatively low snowfall compared to other areas in the United States. On average, Dover receives around 12.9 inches of snow annually. This is significantly lower than the national average of 27.8 inches. The snowfall in Dover typically occurs during the winter months, with the highest snowfall occurring in January and February. However, snowstorms can occur as early as November and as late as April, depending on the weather conditions.

Impact of Snowfall in Dover

Although Dover experiences relatively low snowfall, the city can still be impacted by winter storms. Snowfall can cause travel disruptions, school closures, and power outages. The city’s infrastructure, including roads and sidewalks, can become hazardous when covered in snow and ice. To mitigate these impacts, the city implements snow removal and ice control measures. These measures include salting and plowing roads, clearing sidewalks, and providing emergency services. Additionally, residents and businesses are encouraged to prepare for winter storms by stocking up on essential supplies and taking precautions to prevent frozen pipes and other cold-weather hazards.

Weather Forecast

The sun is expected to remain obscured throughout the day in Dover, United States. The sky will be cloudy with a 100% chance of precipitation. Rain is expected to begin in the early morning and continue until the evening. Temperatures will range from 43°F to 51°F, with wind speeds up to 15 mph. Visibility will be reduced due to the heavy rain.

Impact of Weather Conditions

The heavy rain and low visibility will likely impact local activities. Outdoor events may be canceled or postponed, as the rain could create hazardous conditions for attendees. Drivers should use caution and allow extra time for travel, as the rain can slow down traffic and reduce visibility. Pedestrians should also be aware of slippery surfaces and poor visibility when walking. Additionally, the rain could lead to localized flooding in low-lying areas. Residents should be prepared for any potential disruptions caused by the inclement weather.

Moon’s Appearance in Dover, United States

The Moon’s appearance in Dover, United States, varies throughout the lunar cycle. During the waxing crescent phase, the Moon’s illuminated portion gradually increases, revealing its shape as a crescent. As the Moon progresses through the waxing gibbous phase, its illuminated area expands, until it reaches its fullest illumination during the full moon. During the waning gibbous phase, the illuminated area of the Moon gradually decreases, forming a waning gibbous shape. Finally, the Moon enters the waning crescent phase, where it becomes a narrow crescent before disappearing entirely during the new moon phase.

Factors Affecting the Moon’s Appearance

Several factors influence the Moon’s appearance in Dover, United States. The Moon’s position relative to the Earth and the Sun determines the phase it exhibits. Atmospheric conditions, such as clouds and haze, can affect the clarity and visibility of the Moon. The time of day also plays a role, as moonlight is most visible when the sky is darkest. Additionally, the Moon’s orbital distance from the Earth can affect its apparent size. When the Moon is closest to the Earth during its perigee, it appears larger and brighter than when it is farthest away during its apogee.

Summer Humidity

Dover experiences high humidity during the summer months, with an average relative humidity above 70% in July and August. The high humidity levels can make it feel uncomfortable and muggy, especially during the hottest hours of the day. The combination of high temperatures and humidity can also lead to increased heat stress and the need to take precautions to prevent heat-related illnesses such as heatstroke and heat exhaustion.

Winter Humidity

In contrast to the summer months, Dover’s winter humidity is relatively low, with average relative humidity levels dropping below 60% in December and January. The low humidity can create a drier climate and may contribute to dry skin and respiratory issues in some individuals. During the winter months, it is important to maintain adequate hydration and consider using a humidifier in indoor spaces to improve air quality and reduce the dryness.

Wind Patterns

Dover, United States, experiences a prevailing wind direction from the west-southwest, with an average speed of approximately 12 miles per hour (19 kilometers per hour). This predominant wind pattern is influenced by the synoptic-scale pressure gradients over the North American continent, as well as by the diurnal land-sea breeze circulation during the summer months. The relatively strong and consistent winds from the west-southwest contribute to Dover’s maritime climate, characterized by mild temperatures and moderate precipitation.

Seasonal Variations

Wind patterns in Dover exhibit seasonal variations. During the winter months, the prevailing wind direction remains from the west-southwest, but the average wind speed tends to increase slightly. This is due to the strengthening of the pressure gradient between the cold air masses over the North American interior and the warmer air masses over the Atlantic Ocean. In contrast, during the summer months, the land-sea breeze circulation becomes more pronounced. During the day, as the land surface heats up more rapidly than the ocean, a sea breeze develops, bringing cooler and moister air from the Atlantic Ocean into Dover. Conversely, at night, as the land surface cools more quickly than the ocean, a land breeze develops, transporting warmer and drier air away from Dover. These land-sea breeze circulations play a significant role in mitigating extreme temperatures in Dover during the summer.

Spring (April-May)

Spring in Dover, United States, offers a delightful blend of mild temperatures and vibrant greenery. The average temperature ranges between 50-65°F (10-18°C), making it ideal for outdoor activities such as strolling through the charming downtown area, exploring the nearby parks, or taking a scenic drive along the Delaware Bay. The blooming flowers and lush foliage create a picturesque backdrop for capturing memories.

Fall (September-October)

As summer fades into fall, Dover transforms into a vibrant canvas of autumn hues. The average temperature ranges between 50-60°F (10-15°C), providing comfortable conditions for outdoor adventures. The yearly Apple Scrapple Festival, held in late September, celebrates the local harvest with food, music, and entertainment. Visitors can also witness the stunning foliage on a scenic drive through the Brandywine Valley or along the Delaware River.

Potential for Solar Energy in Dover:

Dover, situated in Delaware, United States, exhibits significant potential for solar energy utilization. The city enjoys ample sunshine throughout the year, with an average of 252 sunny days. This abundant solar resource makes Dover a prime location for deploying solar photovoltaic (PV) systems. The favorable climate, along with government incentives and supportive policies, further enhances the viability of solar energy in the region.

Benefits and Challenges:

The adoption of solar energy in Dover brings forth numerous advantages. Solar PV systems provide a reliable and sustainable source of electricity, reducing dependency on fossil fuels. Additionally, solar energy can contribute to energy independence, lower electricity bills, and create local green jobs. However, challenges also exist. The upfront costs associated with solar installations can be a barrier for some property owners. Moreover, the intermittent nature of solar energy production requires careful consideration and integration with other energy sources to ensure a stable electricity supply.

Coastal Topography

Dover, Delaware, is situated on the Atlantic coast and the Delaware Bay, which creates a unique coastal topography. The city’s shoreline is dominated by sandy beaches, dunes, and inlets. The Delaware Bay forms a wide estuary that provides shelter from strong ocean currents and waves. The gentle sloping beaches and relatively calm waters make Dover an ideal destination for swimming, boating, and other water-based activities. Several islands, including Pea Patch Island and Fort Delaware Island, are located within the bay and offer historical and recreational opportunities.

Inland Topography

Moving inland from the coast, Dover’s topography gradually rises to form rolling hills and plateaus. The highest point in the Dover area is Maple Dale, with an elevation of approximately 249 feet. The gently undulating terrain is interspersed with small streams and forested areas, providing a mix of natural habitats. The land surrounding Dover is primarily used for agriculture, with crops such as soybeans, corn, and wheat being cultivated. The gradual elevation change offers panoramic views of the surrounding countryside and distant coastline.

Dover Air Force Base (DOV)

Dover Air Force Base (DOV) is the nearest airport to Dover, Delaware, United States. It is a military airport located approximately 5 miles (8 km) southwest of the city center. DOV primarily serves military operations, but also offers limited commercial flights. Allegiant Air operates scheduled flights to Orlando-Sanford International Airport (SFB) and Punta Gorda Airport (PGD).

Other Nearby Airports

While Dover Air Force Base is the closest airport to Dover, there are several other airports within a reasonable driving distance.

• Wilmington Airport (ILG): Located approximately 40 miles (64 km) north of Dover, Wilmington Airport offers a wider range of commercial flights, including service to major hubs like Philadelphia and Baltimore.
• Baltimore/Washington International Thurgood Marshall Airport (BWI): Located approximately 60 miles (97 km) west of Dover, BWI is a major international airport with a wide variety of domestic and international destinations.

History and Heritage

Dover, located in Delaware, boasts a rich history steeped in colonial charm and maritime tradition. Founded in 1683, it served as the state capital from 1777 to 1781. The city played a pivotal role in the American Revolution, with George Washington crossing the Delaware River within its limits. Dover’s historic district, known as the Legislative Mall, features preserved colonial-era buildings, including the State House, constructed in the 1790s. The Air Mobility Command Museum, located at Dover Air Force Base, showcases military aviation history.

Culture and Attractions

Dover offers a vibrant cultural landscape with a blend of historic charm and modern amenities. The Dover International Speedway hosts NASCAR races, thrilling motorsports enthusiasts. Sports fans can also enjoy the Wilmington Blue Rocks minor league baseball team at Frawley Stadium. The historic Biggs Museum of American Art features a stunning collection of American paintings and sculptures. For outdoor enthusiasts, Cape Henlopen State Park offers pristine beaches, nature trails, and fishing opportunities. The city’s farmers’ markets provide an array of fresh produce and local delicacies. Dover also boasts a thriving retail scene, with shopping malls and charming boutiques offering a diverse range of merchandise.