nomadseason

May Weather in Cleveland, United States

Last updated: June 24, 2025

In May, the average temperature in Cleveland, United States hovers around 21°C (69°F), offering a pleasant climate for outdoor activities. Expect temperatures to range from a cool 6°C (42°F) to a warm 35°C (94°F). With about 159 mm (6.2 in) of precipitation spread over 14 days, don't forget your umbrella! The air can feel quite humid, with an average humidity level of 83%, making it a subtly tropical experience.

May Temperature in Cleveland

In May in Cleveland, the average temperature is 21°C (69°F), with maximum temperatures reaching up to 35°C (94°F) and minimums dropping as low as 6°C (42°F). This diverse temperature range makes Cleveland an ideal destination for travelers seeking both warmth and cooler respite during their adventures.

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 21°C (69°F), with highs reaching up to 35°C (94°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec384053596979828076615043
Data source: Temperature data for Cleveland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Cleveland

In Cleveland in May, the precipitation amount is 159 mm (6.2 in) during 14 days, indicating a fairly wet period.

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 159 mm (6.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec635210012015910192111901243737
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Cleveland

In Cleveland in May, humidity is 83%. With an average temperature of 21°C (69°F), this humidity feels like a heavy blanket enveloping you, making travel feel sticky and challenging as you navigate the damp air.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)63 mm (2.5 inches)77%moderate
February Weather4°C (40°F)52 mm (2.0 inches)76%high
March Weather12°C (53°F)100 mm (3.9 inches)71%high
April Weather15°C (59°F)120 mm (4.7 inches)73%very high
May Weather21°C (69°F)159 mm (6.2 inches)83%very high
June Weather26°C (79°F)101 mm (4.0 inches)83%extreme
July Weather28°C (83°F)92 mm (3.6 inches)81%extreme
August Weather27°C (80°F)111 mm (4.4 inches)73%very high
September Weather24°C (76°F)90 mm (3.5 inches)67%very high
October Weather16°C (62°F)124 mm (4.9 inches)72%high
November Weather10°C (50°F)37 mm (1.5 inches)82%moderate
December Weather6°C (44°F)37 mm (1.4 inches)85%moderate

Compare Cleveland's Climate with Cities Worldwide