March Weather in Wilmington, United States

Last updated: June 24, 2025

In Wilmington, United States, the average temperature in March hovers around 6°C (44°F). While you might experience temperatures as low as -14°C (7°F), it can also soar to a maximum of 25°C (77°F). Expect around 128 mm (5.0 in) of precipitation distributed over 12 days, contributing to an average humidity level of 87%. Stay prepared for a range of weather conditions!

March Temperature in Wilmington

In March in Wilmington, the average temperature is 6°C (44°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -14°C (7°F). Travelers should be prepared for a wide range of temperatures, from chilly to pleasantly warm, making it essential to pack layers for 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 6°C (44°F), with highs reaching up to 25°C (77°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec313543536472767369584237
Data source: Temperature data for Wilmington 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 Wilmington

In Wilmington in March, the precipitation amount is 128 mm (5.0 in) over the course of 12 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 128 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7910612812012412913386849796108
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Wilmington

In Wilmington in March humidity is 87%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable without proper layers and preparation.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Wilmington, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)79 mm (3.1 inches)88%moderate
February Weather2°C (35°F)106 mm (4.2 inches)88%moderate
March Weather6°C (44°F)128 mm (5.0 inches)87%high
April Weather11°C (53°F)120 mm (4.7 inches)85%very high
May Weather18°C (65°F)124 mm (4.9 inches)81%very high
June Weather22°C (72°F)129 mm (5.1 inches)82%very high
July Weather24°C (76°F)133 mm (5.2 inches)81%very high
August Weather23°C (74°F)86 mm (3.4 inches)73%very high
September Weather21°C (69°F)84 mm (3.3 inches)73%very high
October Weather14°C (58°F)97 mm (3.8 inches)78%high
November Weather6°C (43°F)96 mm (3.8 inches)89%moderate
December Weather3°C (37°F)108 mm (4.2 inches)87%moderate

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