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March Weather in Dover, United States

Last updated: June 24, 2025

In March, the average temperature in Dover, United States is 2°C (36°F). Expect chilly conditions, with minimum temperatures dropping to -18°C (0°F) and peaking at a mild 17°C (63°F). You'll encounter 89 mm (3.5 in) of precipitation spread across 15 days, contributing to a high average humidity of 91%. Prepare for a wet and cold month ahead!

March Temperature in Dover

In March in Dover, the average temperature is 2°C (36°F). Maximum temperatures can reach 17°C (63°F), while minimums can plunge as low as -18°C (0°F). Be prepared for a wide temperature range and pack accordingly for your travels.

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 17°C (63°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec312836435360707161483933
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 89 mm (3.5 in) during 15 days of the month.

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 89 mm (3.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec1181158983593682758106132145
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 91%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making every step outside a reminder of the cold, crisp air that sharpens your senses but can also dampen your spirits as you navigate the wet conditions.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dover, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997432
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 Weather0°C (32°F)118 mm (4.6 inches)95%low
February Weather-2°C (29°F)115 mm (4.5 inches)93%moderate
March Weather2°C (36°F)89 mm (3.5 inches)91%high
April Weather6°C (43°F)83 mm (3.3 inches)88%high
May Weather11°C (53°F)59 mm (2.3 inches)83%very high
June Weather16°C (60°F)36 mm (1.4 inches)80%very high
July Weather21°C (70°F)8 mm (0.3 inches)82%very high
August Weather22°C (71°F)27 mm (1.1 inches)71%very high
September Weather16°C (61°F)58 mm (2.3 inches)71%high
October Weather9°C (48°F)106 mm (4.2 inches)85%moderate
November Weather4°C (39°F)132 mm (5.2 inches)90%moderate
December Weather1°C (33°F)145 mm (5.7 inches)96%low

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