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April Weather in Wilmington, United States

Last updated: June 24, 2025

In Wilmington, United States, the average temperature in April hovers around 9°C (48°F). However, temperatures can vary significantly, with a minimum of -3°C (26°F) and a maximum reaching up to 30°C (86°F). This month witnesses an average precipitation of 127 mm (5.0 in) spread over 12 days, while humidity levels typically remain high at around 80%. Stay prepared for a mix of chilly days and sunshine!

April Temperature in Wilmington

In April in Wilmington, the average temperature is 9°C (48°F). Maximums can reach 30°C (86°F), and minimums can be as low as -3°C (26°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (48°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec303338485969747366564234
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.

April Precipitation in Wilmington

In Wilmington in April, the precipitation amount is 127 mm (5.0 in) occurring over the course of 12 days.

April Precipitation Trends in Wilmington

The chart displays monthly precipitation patterns in Wilmington, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Wilmington, April typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7187891288685125807913295119
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Wilmington

In Wilmington in April humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

April Average Humidity in Wilmington

This chart illustrates the average monthly humidity levels in Wilmington, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Wilmington is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Wilmington

In Wilmington in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Wilmington.

Maximum UV Index Levels in Wilmington for April

The chart shows the monthly maximum UV Index (UVI) for Wilmington in April, 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 April, the maximum UV index in Wilmington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Wilmington April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)71 mm (2.8 inches)86%moderate
February Weather0°C (33°F)87 mm (3.4 inches)84%moderate
March Weather3°C (38°F)89 mm (3.5 inches)82%moderate
April Weather9°C (48°F)127 mm (5.0 inches)80%very high
May Weather15°C (59°F)86 mm (3.4 inches)72%very high
June Weather20°C (69°F)85 mm (3.4 inches)72%very high
July Weather23°C (74°F)125 mm (4.9 inches)67%very high
August Weather23°C (74°F)79 mm (3.1 inches)66%very high
September Weather19°C (67°F)79 mm (3.1 inches)71%high
October Weather13°C (56°F)132 mm (5.2 inches)78%high
November Weather6°C (43°F)95 mm (3.7 inches)84%moderate
December Weather1°C (34°F)119 mm (4.7 inches)81%low

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