May Weather in Summersville, United States

Last updated: June 24, 2025

In May, the average temperature in Summersville, United States is a mild 16°C (62°F). Expect a range where the minimum dips to -2°C (28°F) and the maximum peaks at 28°C (83°F). This month brings about 177 mm (7.0 in) of precipitation over 19 days, accompanied by a high average humidity of 82%. Perfect weather to explore the area—just don't forget your umbrella!

May Temperature in Summersville

In May in Summersville, the average temperature is 16°C (62°F). Maximums can reach 28°C (83°F), while minimums can drop to as low as -2°C (28°F). This temperature variation makes Summersville an ideal destination for travelers seeking a mix of outdoor adventures and cozy indoor activities.

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 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec323843526167717066564237
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 total precipitation amount is 177 mm (7.0 in) over the course of 19 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 177 mm (7.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec11017113315817715012913411013190134
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 16°C (62°F), this humidity feels like a blanket of warmth enveloping you, making traveling feel sticky and heavy as you navigate through the air.

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.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
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 Weather0°C (32°F)110 mm (4.3 inches)88%moderate
February Weather3°C (38°F)171 mm (6.7 inches)88%moderate
March Weather6°C (43°F)133 mm (5.2 inches)88%high
April Weather11°C (52°F)158 mm (6.2 inches)86%very high
May Weather16°C (62°F)177 mm (7.0 inches)82%very high
June Weather20°C (68°F)150 mm (5.9 inches)84%extreme
July Weather22°C (72°F)129 mm (5.1 inches)82%extreme
August Weather21°C (70°F)133 mm (5.3 inches)73%very high
September Weather19°C (66°F)110 mm (4.3 inches)73%very high
October Weather13°C (56°F)131 mm (5.2 inches)81%high
November Weather6°C (42°F)90 mm (3.5 inches)89%moderate
December Weather3°C (38°F)134 mm (5.3 inches)86%moderate

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