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May Weather in Chillicothe, United States

Last updated: June 24, 2025

In Chillicothe, United States, the average temperature in May hovers around 19°C (66°F). Expect a climate that can range from a cool 3°C (39°F) to a warm 35°C (95°F). With an average precipitation of 197 mm (7.7 in) spread over 15 days, you might want to pack an umbrella. Moreover, the air remains quite humid, with an average humidity level of 82%.

May Temperature in Chillicothe

In May in Chillicothe, the average temperature is 19°C (66°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 3°C (39°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Chillicothe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chillicothe, May typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec293145536676797671564336
Data source: Temperature data for Chillicothe 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 Chillicothe

In Chillicothe in May, the total precipitation amount is 197 mm (7.7 in) over the course of 15 days.

May Precipitation Trends in Chillicothe

The chart displays monthly precipitation patterns in Chillicothe, 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 Chillicothe, May typically receives around 197 mm (7.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec584710483197144110103851285035
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chillicothe

In Chillicothe in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Chillicothe

This chart illustrates the average monthly humidity levels in Chillicothe, 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 Chillicothe is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chillicothe

In Chillicothe 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 Chillicothe.

Maximum UV Index Levels in Chillicothe for May

The chart shows the monthly maximum UV Index (UVI) for Chillicothe 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 Chillicothe typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Chillicothe 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 Chillicothe Compares to Other Months

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

This table compares monthly weather conditions in Chillicothe, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)58 mm (2.3 inches)80%moderate
February Weather0°C (31°F)47 mm (1.8 inches)78%moderate
March Weather7°C (45°F)104 mm (4.1 inches)75%high
April Weather12°C (53°F)83 mm (3.3 inches)77%very high
May Weather19°C (66°F)197 mm (7.7 inches)82%very high
June Weather25°C (77°F)144 mm (5.7 inches)83%extreme
July Weather26°C (80°F)110 mm (4.3 inches)81%extreme
August Weather24°C (76°F)103 mm (4.1 inches)78%very high
September Weather22°C (71°F)85 mm (3.3 inches)72%very high
October Weather13°C (56°F)128 mm (5.0 inches)72%high
November Weather6°C (43°F)50 mm (2.0 inches)84%moderate
December Weather2°C (36°F)34 mm (1.4 inches)86%moderate

Compare Chillicothe's Climate with Cities Worldwide