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May Weather in Cleveland, United States

Last updated: June 24, 2025

In Cleveland, United States, the average temperature for May hovers around 14°C (58°F). Expect variability, with minimum temperatures dipping to -2°C (30°F) and highs reaching up to 33°C (91°F). Prepare for 132 mm (5.2 in) of precipitation spread across 16 days, accompanied by an average humidity of 82%.

May Temperature in Cleveland

In May in Cleveland, the average temperature is 14°C (58°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as -2°C (30°F). Be prepared for a wide range of temperatures during your travels, ensuring you pack layers for both warm and cool weather.

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 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec252734465867727063533930
Data source: Temperature data for Cleveland 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 Cleveland

In Cleveland in May, the precipitation amount is 132 mm (5.2 in) over the course of 16 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 132 mm (5.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec10511110213413211618413093178122123
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cleveland

In Cleveland in May, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

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 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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 Weather-4°C (25°F)104 mm (4.1 inches)90%moderate
February Weather-3°C (28°F)111 mm (4.4 inches)90%moderate
March Weather1°C (34°F)102 mm (4.0 inches)87%high
April Weather8°C (46°F)134 mm (5.3 inches)88%very high
May Weather14°C (58°F)132 mm (5.2 inches)82%very high
June Weather19°C (67°F)116 mm (4.6 inches)79%very high
July Weather22°C (72°F)184 mm (7.2 inches)78%very high
August Weather21°C (71°F)130 mm (5.1 inches)76%very high
September Weather17°C (64°F)93 mm (3.6 inches)78%high
October Weather12°C (53°F)178 mm (7.0 inches)84%high
November Weather4°C (39°F)122 mm (4.8 inches)89%moderate
December Weather-1°C (30°F)123 mm (4.8 inches)86%low

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