March Weather in Dover, United States

Last updated: June 24, 2025

In March, the average temperature in Dover, United States hovers around 20°C (69°F), making it a pleasant time to visit. However, be prepared for temperature swings, with a minimum of 3°C (38°F) and a maximum of 34°C (93°F). Expect some rain, as precipitation totals 18 mm (0.7 in) over approximately 3 days, and enjoy the balmy atmosphere with an average humidity of 75%.

March Temperature in Dover

In March in Dover, the average temperature is 20°C (69°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can drop to as low as 3°C (38°F). Overall, this month offers a pleasant range of temperatures, making it a wonderful time for outdoor activities and exploration in Dover.

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 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°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 is 18 mm (0.7 in) over a span of 3 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 18 mm (0.7 inches) of precipitation spread over approximately 3 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 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable 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 75%, 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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very 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	16°C (62°F)	41 mm (1.6 inches)	83%	high
February Weather	20°C (67°F)	64 mm (2.5 inches)	80%	very high
March Weather	20°C (69°F)	18 mm (0.7 inches)	75%	very high
April Weather	23°C (74°F)	65 mm (2.6 inches)	68%	extreme
May Weather	26°C (78°F)	124 mm (4.9 inches)	65%	extreme
June Weather	27°C (81°F)	206 mm (8.1 inches)	73%	extreme
July Weather	28°C (82°F)	243 mm (9.6 inches)	77%	extreme
August Weather	28°C (82°F)	223 mm (8.8 inches)	80%	extreme
September Weather	27°C (81°F)	175 mm (6.9 inches)	83%	extreme
October Weather	25°C (78°F)	67 mm (2.6 inches)	83%	very high
November Weather	20°C (69°F)	45 mm (1.8 inches)	83%	high
December Weather	18°C (65°F)	62 mm (2.4 inches)	84%	moderate