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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 25°C (78°F). Visitors can expect temperatures to range from a cool 14°C (57°F) at night to a warm 35°C (96°F) during the day. Be prepared for some rain, as the area receives an average of 109 mm (4.3 in) of precipitation over 13 days. Additionally, the average humidity sits at a comfortable 74%, making for a balmy atmosphere.

August Temperature in Cleveland

In August in Cleveland, the average temperature is 25°C (78°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 14°C (57°F). This makes Cleveland an ideal destination for travelers seeking pleasant weather and diverse activities during this time.

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 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec424752616976807873645045
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 109 mm (4.3 in), which occurs during 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 109 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8812089115123899010913311289117
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 74%. With an average temperature of 25°C (78°F), this humidity feels like you're enveloped in a warm, thick blanket, making outdoor activities feel more strenuous and necessitating frequent breaks and hydration for comfortable travel.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
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 Weather5°C (42°F)88 mm (3.5 inches)86%moderate
February Weather8°C (47°F)120 mm (4.7 inches)85%high
March Weather11°C (52°F)89 mm (3.5 inches)84%very high
April Weather16°C (61°F)115 mm (4.5 inches)82%very high
May Weather21°C (70°F)123 mm (4.9 inches)83%very high
June Weather24°C (76°F)89 mm (3.5 inches)82%extreme
July Weather27°C (80°F)90 mm (3.5 inches)80%very high
August Weather25°C (78°F)109 mm (4.3 inches)74%very high
September Weather23°C (73°F)133 mm (5.2 inches)75%very high
October Weather18°C (64°F)112 mm (4.4 inches)79%very high
November Weather10°C (50°F)89 mm (3.5 inches)87%moderate
December Weather7°C (45°F)117 mm (4.6 inches)87%moderate

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