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August Weather in Cleveland, United States

Last updated: June 24, 2025

In August, the average temperature in Cleveland, United States is a pleasant 21°C (71°F). You'll experience a minimum of 11°C (52°F) and could occasionally bask in highs of 30°C (86°F). However, be prepared for 91 mm (3.6 in) of precipitation over approximately 11 days, contributing to an average humidity level of 76%.

August Temperature in Cleveland

In August in Cleveland, the average temperature is 21°C (71°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop to as low as 11°C (52°F). This climate makes Cleveland an ideal destination for travelers seeking mild weather and comfortable outdoor activities.

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 30°C (86°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec222232415366737164523830
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 91 mm (3.6 in) over a period of 11 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 91 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4646551011079610491731084650
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.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
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-5°C (23°F)45 mm (1.8 inches)85%low
February Weather-5°C (23°F)46 mm (1.8 inches)85%moderate
March Weather0°C (33°F)55 mm (2.2 inches)85%moderate
April Weather5°C (42°F)101 mm (4.0 inches)85%very high
May Weather12°C (53°F)107 mm (4.2 inches)78%very high
June Weather19°C (66°F)95 mm (3.8 inches)80%very high
July Weather23°C (73°F)104 mm (4.1 inches)78%very high
August Weather21°C (71°F)91 mm (3.6 inches)76%very high
September Weather18°C (64°F)73 mm (2.9 inches)79%high
October Weather11°C (52°F)108 mm (4.2 inches)83%moderate
November Weather3°C (38°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)50 mm (2.0 inches)81%low

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