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May Weather in Summerville, United States

Last updated: June 24, 2025

In Summerville, United States, the weather in May brings an average temperature of 22°C (71°F). Expect temperatures to fluctuate, with a minimum of 3°C (39°F) and a maximum reaching up to 35°C (95°F). Precipitation is moderate, totaling 95 mm (3.7 in) over 11 days, while the average humidity hovers around a comfortable 83%. Get ready for a month where warmth meets occasional rain!

May Temperature in Summerville

In May in Summerville, the average temperature is 22°C (71°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 3°C (39°F). It's an ideal time for travelers to enjoy a mix of warm days and cool nights, perfect for exploring the area.

May Weather in Summerville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, May typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec444955627176807875655147
Data source: Temperature data for Summerville 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 Summerville

In Summerville in May, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.

May Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, 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 Summerville, May typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231981691539512911313811113689161
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Summerville

In Summerville in May humidity is 83%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, 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 Summerville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Summerville

In Summerville in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Summerville.

Maximum UV Index Levels in Summerville for May

The chart shows the monthly maximum UV Index (UVI) for Summerville 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 Summerville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
Data source: Summerville 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 Summerville Compares to Other Months

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

This table compares monthly weather conditions in Summerville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)123 mm (4.8 inches)87%moderate
February Weather10°C (50°F)198 mm (7.8 inches)87%high
March Weather13°C (56°F)169 mm (6.7 inches)85%very high
April Weather16°C (62°F)153 mm (6.0 inches)82%very high
May Weather22°C (71°F)95 mm (3.7 inches)83%extreme
June Weather25°C (76°F)129 mm (5.1 inches)82%extreme
July Weather26°C (80°F)113 mm (4.4 inches)78%extreme
August Weather26°C (79°F)138 mm (5.4 inches)67%extreme
September Weather24°C (75°F)111 mm (4.4 inches)64%very high
October Weather18°C (65°F)136 mm (5.4 inches)74%high
November Weather11°C (51°F)89 mm (3.5 inches)87%high
December Weather8°C (47°F)161 mm (6.3 inches)88%moderate

Compare Summerville's Climate with Cities Worldwide