March Weather in Wilmington, United States

Last updated: June 24, 2025

In Wilmington, United States, the average temperature in March sits at a chilly 3°C (38°F). While lows can plunge to -18°C (0°F), highs can reach a pleasant 22°C (73°F). Be prepared for some rain, as the month sees 89 mm (3.5 in) of precipitation over 9 days, and expect a humidity level averaging 82%.

March Temperature in Wilmington

In March in Wilmington, the average temperature is 3°C (38°F). The maximum can reach 22°C (73°F), while the minimum can drop as low as -18°C (0°F). This means travelers should be prepared for a wide range of temperatures during their visit.

March Weather in Wilmington: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Wilmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilmington, March typically has an average temperature of 3°C (38°F), with highs reaching up to 22°C (73°F) and lows dropping to around -18°C (0°F).

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

March Precipitation in Wilmington

In Wilmington in March, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

March Precipitation Trends in Wilmington

The chart displays monthly precipitation patterns in Wilmington, 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 Wilmington, March typically receives around 89 mm (3.5 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 Wilmington

In Wilmington 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 Wilmington

This chart illustrates the average monthly humidity levels in Wilmington, 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 Wilmington 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 Wilmington

In Wilmington 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 Wilmington.

Maximum UV Index Levels in Wilmington for March

The chart shows the monthly maximum UV Index (UVI) for Wilmington 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 Wilmington typically reaches 5, which falls under the moderate exposure category.

Data source: Wilmington 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 Wilmington Compares to Other Months

Weather in Wilmington varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Wilmington, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Wilmington, 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)	71 mm (2.8 inches)	86%	moderate
February Weather	0°C (33°F)	87 mm (3.4 inches)	84%	moderate
March Weather	3°C (38°F)	89 mm (3.5 inches)	82%	moderate
April Weather	9°C (48°F)	127 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	86 mm (3.4 inches)	72%	very high
June Weather	20°C (69°F)	85 mm (3.4 inches)	72%	very high
July Weather	23°C (74°F)	125 mm (4.9 inches)	67%	very high
August Weather	23°C (74°F)	79 mm (3.1 inches)	66%	very high
September Weather	19°C (67°F)	79 mm (3.1 inches)	71%	high
October Weather	13°C (56°F)	132 mm (5.2 inches)	78%	high
November Weather	6°C (43°F)	95 mm (3.7 inches)	84%	moderate
December Weather	1°C (34°F)	119 mm (4.7 inches)	81%	low