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August Weather in Cleveland, United States

Last updated: June 24, 2025

In August, the average temperature in Cleveland, United States hovers around 21°C (71°F), with the mercury dipping as low as 9°C (48°F) and soaring up to 33°C (91°F). Expect a precipitation amount of 130 mm (5.1 in) spread over 13 days, and enjoy an average humidity level of 76% for a warm, lush atmosphere.

August Temperature in Cleveland

In August in Cleveland, the average temperature is 21°C (71°F), with maximums potentially reaching 33°C (91°F) and minimums dropping as low as 9°C (48°F). Overall, it's a great time to enjoy mild weather and pack both light clothing for the daytime and a jacket for cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 9°C (48°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.

August Precipitation in Cleveland

In Cleveland in August, the precipitation amount is 130 mm (5.1 in) spread over 13 days.

August Precipitation Trends in Cleveland

The chart displays monthly precipitation patterns in Cleveland, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Cleveland, August typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10511110213413211618413093178122123
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cleveland

In Cleveland in August humidity is 76%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making traveling both refreshing and a bit exhausting, as the air clings to your skin and you often find yourself reaching for water to stay hydrated.

August Average Humidity in Cleveland

This chart illustrates the average monthly humidity levels in Cleveland, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Cleveland is approximately 76%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Cleveland

In Cleveland in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Cleveland in August, 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 August, the maximum UV index in Cleveland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
Data source: Cleveland August 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 August 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 August’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 August’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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