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May Weather in South Wilmington, United States

Last updated: June 24, 2025

In South Wilmington, United States, the average temperature in May hovers around 17°C (63°F), with fluctuations ranging from a chilly -1°C (30°F) to a sweltering 35°C (95°F). Expect about 164 mm (6.4 in) of precipitation spread across 16 days, accompanied by an average humidity of 79%. Embrace the variety of weather this month brings!

May Temperature in South Wilmington

In May in South Wilmington, the average temperature is 17°C (63°F). Maximum temperatures can reach as high as 35°C (95°F), while minimums can drop to -1°C (30°F). This variation in temperatures means travelers should pack accordingly for a range of weather conditions.

May Weather in South Wilmington: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Wilmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Wilmington, May typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272841506373767469554034
Data source: Temperature data for South 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.

May Precipitation in South Wilmington

In South Wilmington in May, the total precipitation amount is 164 mm (6.4 in) spread over 16 days.

May Precipitation Trends in South Wilmington

The chart displays monthly precipitation patterns in South Wilmington, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In South Wilmington, May typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec65689312116413510084841385956
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in South Wilmington

In South Wilmington in May, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

May Average Humidity in South Wilmington

This chart illustrates the average monthly humidity levels in South Wilmington, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in South Wilmington is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in South Wilmington

In South Wilmington in May, 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 South Wilmington.

Maximum UV Index Levels in South Wilmington for May

The chart shows the monthly maximum UV Index (UVI) for South Wilmington in May, 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 May, the maximum UV index in South Wilmington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: South Wilmington May 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 May Weather in South Wilmington Compares to Other Months

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

This table compares monthly weather conditions in South Wilmington, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)65 mm (2.6 inches)82%moderate
February Weather-2°C (29°F)68 mm (2.7 inches)83%moderate
March Weather5°C (41°F)93 mm (3.6 inches)84%high
April Weather10°C (50°F)121 mm (4.8 inches)85%very high
May Weather17°C (63°F)164 mm (6.4 inches)79%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather24°C (76°F)100 mm (4.0 inches)80%very high
August Weather23°C (74°F)84 mm (3.3 inches)81%very high
September Weather20°C (69°F)84 mm (3.3 inches)80%very high
October Weather13°C (56°F)138 mm (5.4 inches)82%high
November Weather4°C (40°F)59 mm (2.3 inches)88%moderate
December Weather1°C (34°F)56 mm (2.2 inches)84%low

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