March Weather in Dover, United States

Last updated: June 24, 2025

In March, the average temperature in Dover, United States hovers around 2°C (36°F). Expect a chilly range with minimums plunging to -17°C (2°F) and maximums reaching a mild 21°C (70°F). During this time, 85 mm (3.4 in) of precipitation typically falls, often spread over 9 days. With an average humidity of 82%, be prepared for damp conditions that add to the crisp atmosphere!

March Temperature in Dover

In March in Dover, the weather can be quite variable, making it a good time to pack layers for your trip.

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 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec283035465767727265544132
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 total precipitation amount is 85 mm (3.4 in) recorded over a span of 9 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 85 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec77938513175841317775132107130
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Dover

In Dover in March humidity is 82%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making even brief outings feel uncomfortable and penetrating.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
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 Weather-2°C (28°F)77 mm (3.0 inches)86%low
February Weather-1°C (30°F)93 mm (3.7 inches)84%moderate
March Weather2°C (36°F)85 mm (3.4 inches)82%moderate
April Weather8°C (46°F)131 mm (5.1 inches)80%high
May Weather14°C (57°F)74 mm (2.9 inches)72%very high
June Weather19°C (67°F)84 mm (3.3 inches)72%very high
July Weather22°C (72°F)131 mm (5.2 inches)67%very high
August Weather22°C (72°F)77 mm (3.0 inches)66%very high
September Weather18°C (65°F)75 mm (2.9 inches)71%high
October Weather12°C (54°F)132 mm (5.2 inches)78%moderate
November Weather5°C (41°F)107 mm (4.2 inches)84%moderate
December Weather0°C (32°F)130 mm (5.1 inches)81%low

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