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May Weather in Cleveland, United States

Last updated: June 24, 2025

In Cleveland, United States, the average temperature in May hovers around 23°C (74°F), making it a pleasant time to visit. However, be prepared for a range of temperatures, with minimums dropping to 9°C (49°F) and maximums soaring up to 34°C (93°F). With 124 mm (4.9 in) of precipitation spread over 11 days, you'll want to bring an umbrella! The average humidity during this month sits at a notable 83%, ensuring a somewhat muggy atmosphere.

May Temperature in Cleveland

In May in Cleveland, the average temperature is 23°C (74°F). Maximum can reach 34°C (93°F) and minimum can be as low as 9°C (49°F). This makes Cleveland an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec464958637379828178675350
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 124 mm (4.9 in) over the course of 11 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 124 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec120202164149124124971238611887132
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 83%. With an average temperature of 23°C (74°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier, and leaving you constantly in search of a cool breeze or 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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111211119864
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 Weather8°C (46°F)119 mm (4.7 inches)84%moderate
February Weather10°C (49°F)202 mm (8.0 inches)83%high
March Weather15°C (59°F)164 mm (6.5 inches)80%very high
April Weather17°C (64°F)149 mm (5.9 inches)82%extreme
May Weather23°C (74°F)124 mm (4.9 inches)83%extreme
June Weather26°C (80°F)124 mm (4.9 inches)80%extreme
July Weather28°C (83°F)97 mm (3.8 inches)80%extreme
August Weather27°C (82°F)123 mm (4.9 inches)75%extreme
September Weather25°C (78°F)86 mm (3.4 inches)73%very high
October Weather19°C (67°F)118 mm (4.6 inches)76%very high
November Weather12°C (53°F)87 mm (3.4 inches)84%high
December Weather10°C (50°F)132 mm (5.2 inches)88%moderate

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