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August Weather in Dover, United States

Last updated: June 24, 2025

In Dover, United States, the average temperature in August hovers around 23°C (73°F). Expect cooler nights with a minimum of 10°C (50°F), while daytime heats up to a maximum of 33°C (92°F). This month, you'll experience an average precipitation of 92 mm (3.6 in) spread over about 12 days, contributing to a comfortable average humidity of 76%.

August Temperature in Dover

In August in Dover, the average temperature is 23°C (73°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 10°C (50°F). This mild climate makes Dover a perfect destination for travelers seeking a comfortable getaway.

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 23°C (73°F), with highs reaching up to 33°C (92°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516370757368574236
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 92 mm (3.6 in) over the course 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 92 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec92109103132121128120921071119696
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 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-1°C (31°F)92 mm (3.6 inches)88%moderate
February Weather1°C (34°F)109 mm (4.3 inches)88%moderate
March Weather5°C (42°F)103 mm (4.1 inches)87%high
April Weather11°C (51°F)132 mm (5.2 inches)87%very high
May Weather17°C (63°F)121 mm (4.7 inches)81%very high
June Weather21°C (71°F)128 mm (5.0 inches)83%very high
July Weather24°C (75°F)120 mm (4.7 inches)82%very high
August Weather23°C (73°F)92 mm (3.6 inches)76%very high
September Weather20°C (68°F)107 mm (4.2 inches)77%very high
October Weather14°C (57°F)111 mm (4.4 inches)82%high
November Weather5°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)96 mm (3.8 inches)86%low

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