March Weather in Dover, United States

Last updated: June 24, 2025

In March, the average temperature in Dover, United States hovers around 3°C (38°F). Temperatures can swing widely, with a minimum of -14°C (6°F) and a maximum reaching 22°C (72°F). Be prepared for some wet days, as 94 mm (3.7 in) of precipitation typically falls over 9 days. With an average humidity of 82%, the season can feel quite damp.

March Temperature in Dover

In March in Dover, the average temperature is 3°C (38°F), with maximums reaching up to 22°C (72°F) and minimums dropping as low as -14°C (6°F). This diverse temperature range makes it essential for travelers to pack layers to stay comfortable during their visit.

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 3°C (38°F), with highs reaching up to 22°C (72°F) and lows dropping to around -14°C (6°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 precipitation amount reaches 94 mm (3.7 in) over the course 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 94 mm (3.7 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Dover

In Dover in March humidity is 82%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making outdoor adventures quite uncomfortable and requiring extra layers to stay warm while exploring.

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.

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.

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)	70 mm (2.8 inches)	86%	moderate
February Weather	1°C (34°F)	86 mm (3.4 inches)	84%	moderate
March Weather	3°C (38°F)	94 mm (3.7 inches)	82%	moderate
April Weather	9°C (49°F)	126 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	90 mm (3.5 inches)	72%	very high
June Weather	20°C (69°F)	87 mm (3.4 inches)	72%	very high
July Weather	23°C (74°F)	126 mm (5.0 inches)	67%	very high
August Weather	23°C (74°F)	84 mm (3.3 inches)	66%	very high
September Weather	19°C (67°F)	84 mm (3.3 inches)	71%	high
October Weather	13°C (56°F)	138 mm (5.4 inches)	78%	high
November Weather	6°C (43°F)	95 mm (3.7 inches)	84%	moderate
December Weather	1°C (35°F)	118 mm (4.6 inches)	81%	low