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May Weather in Columbus, United States

Last updated: June 24, 2025

In Columbus, United States, the average temperature in May is a mild 14°C (57°F). However, be prepared for a wide range of temperatures, with minimums dropping to -3°C (26°F) and maximums soaring up to 31°C (88°F). During this time, you can expect 130 mm (5.1 in) of precipitation spread over 17 days, contributing to a relatively high average humidity of 82%.

May Temperature in Columbus

In May in Columbus, the average temperature is 14°C (57°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -3°C (26°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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

The chart illustrates May temperature patterns in Columbus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbus, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445665706861513729
Data source: Temperature data for Columbus 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 Columbus

In Columbus in May, the total precipitation amount is 130 mm (5.1 in) over a span of 17 days.

May Precipitation Trends in Columbus

The chart displays monthly precipitation patterns in Columbus, 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 Columbus, May typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec891009112013011815913398166107101
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Columbus

In Columbus in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Columbus

This chart illustrates the average monthly humidity levels in Columbus, 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 Columbus is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Columbus

In Columbus in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Columbus.

Maximum UV Index Levels in Columbus for May

The chart shows the monthly maximum UV Index (UVI) for Columbus 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 Columbus typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: Columbus 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 Columbus Compares to Other Months

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

This table compares monthly weather conditions in Columbus, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)89 mm (3.5 inches)90%moderate
February Weather-3°C (27°F)100 mm (4.0 inches)90%moderate
March Weather0°C (33°F)91 mm (3.6 inches)87%high
April Weather7°C (44°F)120 mm (4.7 inches)88%very high
May Weather14°C (57°F)130 mm (5.1 inches)82%very high
June Weather18°C (65°F)118 mm (4.7 inches)79%very high
July Weather21°C (70°F)159 mm (6.2 inches)78%very high
August Weather20°C (68°F)133 mm (5.2 inches)76%very high
September Weather16°C (62°F)98 mm (3.8 inches)78%very high
October Weather11°C (52°F)166 mm (6.5 inches)84%high
November Weather3°C (37°F)107 mm (4.2 inches)89%moderate
December Weather-2°C (29°F)101 mm (4.0 inches)86%low

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