May Weather in Cleveland, United States

Last updated: June 24, 2025

In May, the average temperature in Cleveland, United States is a pleasant 20°C (69°F), with minimums dipping to 5°C (40°F) and maximums soaring to 33°C (92°F). Expect around 131 mm (5.1 in) of precipitation spread over 11 days, contributing to an average humidity of 85%. Enjoy the vibrant atmosphere while staying prepared for occasional rain!

May Temperature in Cleveland

In May in Cleveland, the average temperature is 20°C (69°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 5°C (40°F). This varying climate makes Cleveland an ideal destination for travelers who enjoy both warm days and cooler evenings.

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 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec434854606974777672635146
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 131 mm (5.1 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 131 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12417714113713112311214313018390153
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 85%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that can make even short walks feel tiring, creating a heavy atmosphere that may deter longer excursions but offers an opportunity to explore shaded areas and savor refreshing drinks.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%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.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
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 Weather6°C (43°F)124 mm (4.9 inches)86%moderate
February Weather9°C (49°F)177 mm (7.0 inches)86%high
March Weather12°C (54°F)141 mm (5.6 inches)86%very high
April Weather16°C (60°F)137 mm (5.4 inches)82%extreme
May Weather20°C (69°F)131 mm (5.1 inches)85%extreme
June Weather23°C (74°F)123 mm (4.9 inches)85%extreme
July Weather25°C (78°F)112 mm (4.4 inches)83%extreme
August Weather25°C (77°F)143 mm (5.6 inches)76%very high
September Weather22°C (73°F)130 mm (5.1 inches)76%very high
October Weather17°C (64°F)183 mm (7.2 inches)80%very high
November Weather10°C (51°F)90 mm (3.5 inches)88%high
December Weather8°C (46°F)153 mm (6.0 inches)88%moderate

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