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August Weather in Wilmington, United States

Last updated: June 24, 2025

In August, the average temperature in Wilmington, United States hovers around 19°C (67°F), with a minimum of 6°C (43°F) and a maximum reaching up to 32°C (89°F). Expect 97 mm (3.8 in) of precipitation spread over 14 days, contributing to the region's average humidity level of 75%.

August Temperature in Wilmington

In August in Wilmington, the average temperature is 19°C (67°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as 6°C (43°F). This climate makes Wilmington an ideal destination for travelers seeking a mix of warm days and cool evenings.

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 19°C (67°F), with highs reaching up to 32°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec182128415463696759483424
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 97 mm (3.8 in) spread over 14 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 97 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec81837811396105115976714310378
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 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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-8°C (19°F)81 mm (3.2 inches)93%low
February Weather-6°C (21°F)83 mm (3.3 inches)92%moderate
March Weather-2°C (28°F)78 mm (3.1 inches)86%moderate
April Weather5°C (41°F)113 mm (4.4 inches)85%very high
May Weather12°C (55°F)96 mm (3.8 inches)80%very high
June Weather17°C (63°F)105 mm (4.1 inches)74%very high
July Weather21°C (69°F)115 mm (4.5 inches)76%very high
August Weather19°C (67°F)97 mm (3.8 inches)75%very high
September Weather15°C (60°F)67 mm (2.7 inches)78%high
October Weather9°C (48°F)143 mm (5.6 inches)86%moderate
November Weather1°C (34°F)102 mm (4.0 inches)88%moderate
December Weather-4°C (25°F)78 mm (3.1 inches)89%low

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