March Weather in Dover, United States

Last updated: June 24, 2025

In Dover, United States, the average temperature in March hovers around 4°C (39°F), with a chilly minimum reaching -17°C (2°F) and a balmy maximum of 26°C (79°F). Expect a total precipitation of about 97 mm (3.8 in) spread over 10 days, contributing to a relatively high average humidity of 81%.

March Temperature in Dover

In March in Dover, the average temperature is 4°C (39°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 4°C (39°F), with highs reaching up to 26°C (79°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Dover generated using information from the Copernicus Climate Change Service.

March Precipitation in Dover

In Dover in March, the total precipitation amount is 97 mm (3.8 in) over a span of 10 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 97 mm (3.8 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Dover

In Dover in March, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	72 mm (2.8 inches)	84%	moderate
February Weather	1°C (34°F)	101 mm (4.0 inches)	82%	moderate
March Weather	4°C (39°F)	97 mm (3.8 inches)	81%	high
April Weather	10°C (50°F)	117 mm (4.6 inches)	78%	very high
May Weather	16°C (60°F)	137 mm (5.4 inches)	69%	very high
June Weather	21°C (70°F)	102 mm (4.0 inches)	69%	very high
July Weather	24°C (76°F)	142 mm (5.6 inches)	62%	very high
August Weather	23°C (74°F)	136 mm (5.4 inches)	65%	very high
September Weather	19°C (67°F)	111 mm (4.4 inches)	68%	very high
October Weather	14°C (57°F)	143 mm (5.6 inches)	74%	high
November Weather	6°C (43°F)	90 mm (3.5 inches)	82%	moderate
December Weather	2°C (35°F)	112 mm (4.4 inches)	80%	low