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August Weather in Dover, United States

Last updated: June 24, 2025

The average temperature in Dover, United States during August is a pleasant 25°C (78°F). However, you may experience a range with minimums of 16°C (60°F) and maximums reaching 37°C (98°F). Expect about 110 mm (4.3 in) of precipitation spread over 13 days, and enjoy an average humidity level of 61%.

August Temperature in Dover

In August in Dover, the average temperature is 25°C (78°F). The maximum can reach 37°C (98°F), and the minimum can be as low as 16°C (60°F). This pleasant climate makes Dover an ideal destination for travelers seeking warmth and sunshine during the August.

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 25°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec394252586876807874624945
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 total precipitation amount is 110 mm (4.3 in) over the course of 13 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 110 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec99144155147209116801117210597113
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 61%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities slightly sticky but still enjoyable, especially if you stay hydrated and take breaks in the shade.

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 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
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)99 mm (3.9 inches)82%moderate
February Weather6°C (43°F)144 mm (5.7 inches)79%high
March Weather11°C (53°F)155 mm (6.1 inches)77%very high
April Weather14°C (58°F)147 mm (5.8 inches)78%very high
May Weather20°C (68°F)209 mm (8.2 inches)82%extreme
June Weather24°C (76°F)116 mm (4.6 inches)81%extreme
July Weather27°C (80°F)80 mm (3.2 inches)75%extreme
August Weather25°C (78°F)110 mm (4.3 inches)61%very high
September Weather23°C (74°F)72 mm (2.8 inches)59%very high
October Weather16°C (62°F)105 mm (4.1 inches)69%high
November Weather9°C (49°F)97 mm (3.8 inches)82%moderate
December Weather7°C (45°F)113 mm (4.5 inches)87%moderate

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