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August Weather in Dover, United States

Last updated: June 24, 2025

In August, the average temperature in Dover, United States reaches a pleasant 26°C (79°F). However, be prepared for a range, as temperatures can dip to a minimum of 15°C (60°F) and peak at a warm 35°C (96°F). The region experiences an average of 111 mm (4.4 in) of precipitation over 12 days, contributing to an average humidity of 76%.

August Temperature in Dover

In August in Dover, the average temperature is 26°C (79°F), with maximums reaching 35°C (96°F) and minimums dipping to as low as 15°C (60°F). This mild climate makes Dover an ideal destination for travelers seeking pleasant weather and enjoyable outdoor activities.

August Weather in Dover: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Dover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dover, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec394352597077817874634845
Data source: Temperature data for Dover generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Dover

In Dover, in August, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.

August Precipitation Trends in Dover

The chart displays monthly precipitation patterns in Dover, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Dover, August typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10016615215412710810511110912194126
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Dover

In Dover in August humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

August Average Humidity in Dover

This chart illustrates the average monthly humidity levels in Dover, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Dover is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Dover

In Dover in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Dover.

Maximum UV Index Levels in Dover for August

The chart shows the monthly maximum UV Index (UVI) for Dover in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Dover typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Dover August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Dover Compares to Other Months

Weather in Dover varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Dover, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dover, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)100 mm (3.9 inches)86%moderate
February Weather6°C (43°F)166 mm (6.5 inches)84%high
March Weather11°C (52°F)152 mm (6.0 inches)84%high
April Weather15°C (59°F)154 mm (6.0 inches)80%very high
May Weather21°C (70°F)127 mm (5.0 inches)82%very high
June Weather25°C (77°F)107 mm (4.2 inches)83%extreme
July Weather27°C (81°F)105 mm (4.1 inches)79%extreme
August Weather26°C (79°F)111 mm (4.4 inches)76%very high
September Weather23°C (74°F)109 mm (4.3 inches)75%very high
October Weather17°C (63°F)121 mm (4.8 inches)74%high
November Weather9°C (48°F)94 mm (3.7 inches)85%moderate
December Weather7°C (45°F)126 mm (4.9 inches)88%moderate

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