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August Weather in Cleveland, United States

Last updated: June 24, 2025

The average temperature in Cleveland, United States during August is a warm 27°C (82°F). Expect a range where temperatures can dip to a minimum of 18°C (65°F) and soar to a maximum of 37°C (98°F). Prepare for some rain, with an average precipitation of 123 mm (4.9 in) spread over 12 days. Additionally, the average humidity sits at a comfortable 75%, making it a typical month of warmth and moisture.

August Temperature in Cleveland

In August in Cleveland, the average temperature is 27°C (82°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop to 18°C (65°F). This warm climate makes Cleveland an ideal destination for sun-seekers and outdoor enthusiasts.

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 27°C (82°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (65°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.

August Precipitation in Cleveland

In Cleveland in August, the precipitation amount is 123 mm (4.9 in) over the course of 12 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 123 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec120202164149124124971238611887132
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 75%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket enveloping you, making sightseeing comfortable yet sticky, and prompting travelers to seek shade and refreshing drinks during their adventures.

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 75%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Cleveland

In Cleveland in August, 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111211119864
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 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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