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August Weather in Wilmington, United States

Last updated: June 24, 2025

In August, the average temperature in Wilmington, United States is a pleasant 23°C (74°F). Temperatures can range from a cool 11°C (52°F) at night to a warm 35°C (96°F) during the day. Expect about 79 mm (3.1 in) of precipitation over 11 days, with the average humidity sitting at a comfortable 66%.

August Temperature in Wilmington

In August in Wilmington, the average temperature is 23°C (74°F). Maximums can reach 35°C (96°F) and minimums can be as low as 11°C (52°F). This makes Wilmington an ideal destination for travelers seeking a pleasant climate and a variety of outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 11°C (52°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.

August Precipitation in Wilmington

In Wilmington in August, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.

August Precipitation Trends in Wilmington

The chart displays monthly precipitation patterns in Wilmington, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Wilmington, August typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7187891288685125807913295119
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wilmington

In Wilmington in August humidity is 66%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still enjoyable for travelers who are properly hydrated and prepared for the moist conditions.

August Average Humidity in Wilmington

This chart illustrates the average monthly humidity levels in Wilmington, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Wilmington is approximately 66%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Wilmington

In Wilmington in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wilmington.

Maximum UV Index Levels in Wilmington for August

The chart shows the monthly maximum UV Index (UVI) for Wilmington in August, 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 August, the maximum UV index in Wilmington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Wilmington August 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 August 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 August’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 August’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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