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May Weather in Summersville, United States

Last updated: June 24, 2025

In Summersville, United States, the average temperature in May hovers around 20°C (69°F), with a minimal drop to 1°C (34°F) and highs reaching 35°C (95°F). Be prepared for some rain, as precipitation averages 115 mm (4.5 in) over approximately 14 days. With an average humidity level of 82%, it’s a great time to enjoy the vibrant atmosphere—just don’t forget your umbrella!

May Temperature in Summersville

In May, in Summersville, the average temperature is 20°C (69°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 1°C (34°F). This diverse climate makes Summersville a versatile destination for travelers, offering both warm and cool experiences throughout the month.

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

The chart illustrates May temperature patterns in Summersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summersville, May typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec384350576875797772624643
Data source: Temperature data for Summersville 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 Summersville

In Summersville in May, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

May Precipitation Trends in Summersville

The chart displays monthly precipitation patterns in Summersville, 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 Summersville, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10017913914311516112411112212588144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Summersville

In Summersville in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Summersville

This chart illustrates the average monthly humidity levels in Summersville, 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 Summersville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Summersville

In Summersville in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Summersville.

Maximum UV Index Levels in Summersville for May

The chart shows the monthly maximum UV Index (UVI) for Summersville 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 Summersville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109753
Data source: Summersville 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 Summersville Compares to Other Months

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

This table compares monthly weather conditions in Summersville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)100 mm (3.9 inches)87%moderate
February Weather6°C (43°F)179 mm (7.0 inches)86%high
March Weather10°C (50°F)139 mm (5.5 inches)86%high
April Weather14°C (58°F)143 mm (5.6 inches)82%very high
May Weather20°C (69°F)115 mm (4.5 inches)82%very high
June Weather24°C (75°F)161 mm (6.4 inches)83%extreme
July Weather26°C (79°F)124 mm (4.9 inches)80%extreme
August Weather25°C (77°F)111 mm (4.4 inches)74%very high
September Weather22°C (72°F)122 mm (4.8 inches)71%very high
October Weather16°C (62°F)125 mm (4.9 inches)78%high
November Weather8°C (47°F)88 mm (3.5 inches)88%moderate
December Weather6°C (43°F)144 mm (5.7 inches)88%moderate

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