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March Weather in Dover, United States

Last updated: June 24, 2025

In March, the average temperature in Dover, United States hovers around 11°C (53°F). Visitors should prepare for a range of temperatures, with a chilly minimum of -9°C (16°F) and a warm maximum reaching 30°C (86°F). Precipitation can be expected, with an average of 155 mm (6.1 in) spread over 13 days, while the air maintains an average humidity of 77%. Pack accordingly!

March Temperature in Dover

In March in Dover, the average temperature is 11°C (53°F). Temperatures can peak at 30°C (86°F) and drop to as low as -9°C (16°F). Be prepared for a wide range of temperatures when traveling during this month, ensuring you pack accordingly for both warm and cold weather.

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

The chart illustrates March 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, March typically has an average temperature of 11°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -9°C (16°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.

March Precipitation in Dover

In Dover in March, the precipitation amount is 155 mm (6.1 in) over the course of 13 days.

March Precipitation Trends in Dover

The chart displays monthly precipitation patterns in Dover, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Dover, March typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec99144155147209116801117210597113
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Dover

In Dover in March humidity is 77%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities require extra layers and a quick adjustment to the cool, moist air.

March Average Humidity in Dover

This chart illustrates the average monthly humidity levels in Dover, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Dover is approximately 77%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Dover

In Dover in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Dover.

Maximum UV Index Levels in Dover for March

The chart shows the monthly maximum UV Index (UVI) for Dover in March, 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 March, the maximum UV index in Dover typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Dover March 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 March 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 March’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 March’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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