May Weather in Cleveland, United States

Last updated: June 24, 2025

In May, the average temperature in Cleveland, United States hovers around 15°C (60°F), with a range that can dip to a chilly 1°C (34°F) and soar up to a sweltering 36°C (97°F). Expect about 131 mm (5.1 in) of precipitation over 13 days, while the air carries a notable average humidity of 78%. Embrace the diverse weather as you explore the charm of this vibrant locale!

May Temperature in Cleveland

In May in Cleveland, the average temperature is 15°C (60°F). Maximum can reach 36°C (97°F) and minimum can be as low as 1°C (34°F). This makes it a great time to pack for both warm days and cool nights while exploring the diverse experiences that Cleveland has to offer.

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

The chart illustrates May temperature patterns in Cleveland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cleveland, May typically has an average temperature of 15°C (60°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Cleveland

In Cleveland in May, the total precipitation amount is 131 mm (5.1 in) over the course of 13 days.

May Precipitation Trends in Cleveland

The chart displays monthly precipitation patterns in Cleveland, 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 Cleveland, May typically receives around 131 mm (5.1 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 Cleveland

In Cleveland in May, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

May Average Humidity in Cleveland

This chart illustrates the average monthly humidity levels in Cleveland, 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 Cleveland is approximately 78%, 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 Cleveland

In Cleveland 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 Cleveland.

Maximum UV Index Levels in Cleveland for May

The chart shows the monthly maximum UV Index (UVI) for Cleveland 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 Cleveland typically reaches 9, which falls under the very high exposure category.

Data source: Cleveland 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 Cleveland Compares to Other Months

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

This table compares monthly weather conditions in Cleveland, 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 (17°F)	33 mm (1.3 inches)	87%	moderate
February Weather	-9°C (16°F)	37 mm (1.5 inches)	90%	moderate
March Weather	1°C (34°F)	67 mm (2.6 inches)	85%	moderate
April Weather	7°C (44°F)	87 mm (3.4 inches)	84%	very high
May Weather	15°C (60°F)	131 mm (5.1 inches)	78%	very high
June Weather	22°C (72°F)	109 mm (4.3 inches)	80%	very high
July Weather	23°C (75°F)	115 mm (4.5 inches)	81%	very high
August Weather	22°C (71°F)	137 mm (5.4 inches)	81%	very high
September Weather	18°C (65°F)	144 mm (5.7 inches)	81%	very high
October Weather	9°C (49°F)	89 mm (3.5 inches)	84%	moderate
November Weather	1°C (34°F)	34 mm (1.3 inches)	88%	moderate
December Weather	-4°C (25°F)	44 mm (1.7 inches)	84%	low