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May Weather in Bellefontaine, United States

Last updated: June 24, 2025

In May, the average temperature in Bellefontaine, United States is a mild 17°C (63°F). Expect a cool minimum of -1°C (30°F) and a warm peak of 32°C (90°F). The month brings 123 mm (4.8 in) of precipitation spread over 15 days, contributing to an average humidity of 81%. A blend of coolness and warmth awaits you!

May Temperature in Bellefontaine

In May in Bellefontaine, the average temperature is 17°C (63°F). Maximums can reach 32°C (90°F) and minimums can drop to as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and cool nights.

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

The chart illustrates May temperature patterns in Bellefontaine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellefontaine, May typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec293241516371757368574135
Data source: Temperature data for Bellefontaine 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 Bellefontaine

In Bellefontaine in May, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

May Precipitation Trends in Bellefontaine

The chart displays monthly precipitation patterns in Bellefontaine, 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 Bellefontaine, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec741011031091231251109480989485
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bellefontaine

In Bellefontaine in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

May Average Humidity in Bellefontaine

This chart illustrates the average monthly humidity levels in Bellefontaine, 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 Bellefontaine is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bellefontaine

In Bellefontaine 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 Bellefontaine.

Maximum UV Index Levels in Bellefontaine for May

The chart shows the monthly maximum UV Index (UVI) for Bellefontaine 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 Bellefontaine typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Bellefontaine 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 Bellefontaine Compares to Other Months

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

This table compares monthly weather conditions in Bellefontaine, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)74 mm (2.9 inches)88%moderate
February Weather0°C (33°F)101 mm (4.0 inches)87%moderate
March Weather5°C (41°F)102 mm (4.0 inches)87%high
April Weather10°C (51°F)109 mm (4.3 inches)87%very high
May Weather17°C (63°F)123 mm (4.8 inches)81%very high
June Weather22°C (71°F)125 mm (4.9 inches)82%very high
July Weather24°C (75°F)110 mm (4.3 inches)81%very high
August Weather23°C (73°F)94 mm (3.7 inches)78%very high
September Weather20°C (68°F)80 mm (3.2 inches)78%very high
October Weather14°C (57°F)98 mm (3.9 inches)82%high
November Weather5°C (41°F)94 mm (3.7 inches)89%moderate
December Weather2°C (35°F)85 mm (3.4 inches)86%moderate

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