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August Weather in Columbus, United States

Last updated: June 24, 2025

In August, the average temperature in Columbus, United States hovers around 20°C (68°F). However, be prepared for a range: temperatures can dip to a cool 6°C (43°F) or soar to a balmy 31°C (89°F). With 133 mm (5.2 in) of precipitation spread over approximately 15 days, you might want to keep an umbrella handy. The average humidity is a comfortable 76%, making it a pleasant time to explore!

August Temperature in Columbus

In August in Columbus, the average temperature is 20°C (68°F). Maximums can reach 31°C (89°F) and minimums can be as low as 6°C (43°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the local attractions.

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

The chart illustrates August temperature patterns in Columbus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbus, August typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445665706861513729
Data source: Temperature data for Columbus 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 Columbus

In Columbus in August, the total precipitation amount is 133 mm (5.2 in) spread over a duration of 15 days.

August Precipitation Trends in Columbus

The chart displays monthly precipitation patterns in Columbus, 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 Columbus, August typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec891009112013011815913398166107101
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Columbus

In Columbus in August, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

August Average Humidity in Columbus

This chart illustrates the average monthly humidity levels in Columbus, 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 Columbus 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 Columbus

In Columbus 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 Columbus.

Maximum UV Index Levels in Columbus for August

The chart shows the monthly maximum UV Index (UVI) for Columbus 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 Columbus typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: Columbus 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 Columbus Compares to Other Months

Weather in Columbus varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Columbus, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Columbus, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)89 mm (3.5 inches)90%moderate
February Weather-3°C (27°F)100 mm (4.0 inches)90%moderate
March Weather0°C (33°F)91 mm (3.6 inches)87%high
April Weather7°C (44°F)120 mm (4.7 inches)88%very high
May Weather14°C (57°F)130 mm (5.1 inches)82%very high
June Weather18°C (65°F)118 mm (4.7 inches)79%very high
July Weather21°C (70°F)159 mm (6.2 inches)78%very high
August Weather20°C (68°F)133 mm (5.2 inches)76%very high
September Weather16°C (62°F)98 mm (3.8 inches)78%very high
October Weather11°C (52°F)166 mm (6.5 inches)84%high
November Weather3°C (37°F)107 mm (4.2 inches)89%moderate
December Weather-2°C (29°F)101 mm (4.0 inches)86%low

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