May Weather in Columbus, United States

Last updated: June 24, 2025

In May, the average temperature in Columbus, United States hovers around 12°C (53°F), with a minimum reaching as low as -3°C (27°F) and a maximum soaring to 29°C (84°F). Expect precipitation totaling 78 mm (3.1 in) across 13 days, all while enjoying a relatively high humidity level of 76%.

May Temperature in Columbus

In May in Columbus, the average temperature is 12°C (53°F). Maximum temperatures can reach 29°C (84°F), while minimums can dip as low as -3°C (27°F). This variation makes it essential for travelers to prepare for both warm and chilly conditions.

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 12°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Columbus generated using information from the Copernicus Climate Change Service.

May Precipitation in Columbus

In Columbus in May, the precipitation amount is 78 mm (3.1 in) spread over 13 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 78 mm (3.1 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Columbus

In Columbus in May humidity is 76%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that settles into your bones, making outdoor activities a bit uncomfortable and necessitating layers to stay warm while exploring.

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 76%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	18 mm (0.7 inches)	85%	moderate
February Weather	-8°C (19°F)	48 mm (1.9 inches)	85%	moderate
March Weather	1°C (34°F)	37 mm (1.5 inches)	79%	high
April Weather	5°C (42°F)	66 mm (2.6 inches)	74%	very high
May Weather	12°C (53°F)	78 mm (3.1 inches)	76%	very high
June Weather	18°C (65°F)	61 mm (2.4 inches)	79%	extreme
July Weather	22°C (72°F)	20 mm (0.8 inches)	81%	very high
August Weather	21°C (70°F)	21 mm (0.8 inches)	80%	very high
September Weather	15°C (60°F)	47 mm (1.9 inches)	76%	very high
October Weather	6°C (43°F)	45 mm (1.8 inches)	74%	moderate
November Weather	1°C (34°F)	32 mm (1.3 inches)	81%	moderate
December Weather	-3°C (28°F)	29 mm (1.1 inches)	87%	low