May Weather in Columbus, United States

Last updated: June 24, 2025

In Columbus, United States, the average temperature in May is a pleasant 25°C (77°F), but be prepared for a range; temperatures can dip to a cool 7°C (45°F) or soar as high as 38°C (101°F). With an average humidity of 42%, you'll find it comfortable, although you might experience a bit of rain, with 4 mm (0.1 in) of precipitation expected over just 1 day.

May Temperature in Columbus

In May in Columbus, the average temperature is 25°C (77°F), with maximums reaching 38°C (101°F) and minimums dipping as low as 7°C (45°F). This varied temperature range makes Columbus an ideal destination for travelers seeking both warm days and cooler evenings.

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 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (45°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 4 mm (0.1 in) over the course of 1 day.

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 4 mm (0.1 inches) of precipitation spread over approximately 1 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 42%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring the sights without feeling overwhelmed by heat or stickiness.

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 42%, 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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, which falls under the extreme 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	8°C (47°F)	16 mm (0.6 inches)	79%	moderate
February Weather	11°C (52°F)	16 mm (0.6 inches)	76%	very high
March Weather	15°C (60°F)	17 mm (0.7 inches)	66%	very high
April Weather	21°C (69°F)	2 mm (0.1 inches)	51%	extreme
May Weather	25°C (77°F)	4 mm (0.1 inches)	42%	extreme
June Weather	30°C (85°F)	20 mm (0.8 inches)	37%	extreme
July Weather	29°C (85°F)	41 mm (1.6 inches)	51%	extreme
August Weather	29°C (84°F)	29 mm (1.2 inches)	64%	extreme
September Weather	25°C (78°F)	32 mm (1.2 inches)	74%	extreme
October Weather	20°C (68°F)	20 mm (0.8 inches)	71%	very high
November Weather	14°C (57°F)	16 mm (0.6 inches)	78%	high
December Weather	9°C (48°F)	20 mm (0.8 inches)	85%	moderate