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August Weather in South Dayton, United States

Last updated: June 24, 2025

In August, the average temperature in South Dayton, United States hovers around 20°C (68°F), with a range that can drop to a cool 6°C (43°F) and peak at a warm 31°C (88°F). Be prepared for some rain, as there is an expected 113 mm (4.4 in) of precipitation spread over about 15 days. The air carries a moderate average humidity of 72%, making it a month of varied weather.

August Temperature in South Dayton

In August in South Dayton, the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 6°C (43°F). It's an ideal time to visit for those who enjoy mild weather with a chance of warmer days.

August Weather in South Dayton: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South Dayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Dayton, August typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834445765706862523731
Data source: Temperature data for South Dayton 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 South Dayton

In South Dayton in August, the total precipitation amount is 113 mm (4.4 in) over the course of 15 days.

August Precipitation Trends in South Dayton

The chart displays monthly precipitation patterns in South Dayton, 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 South Dayton, August typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec10211010313013514615411389148125118
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in South Dayton

In South Dayton in August humidity is 72%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket enveloping you, making every step slightly more laborious and the air thick with moisture, which can be uncomfortable for traveling.

August Average Humidity in South Dayton

This chart illustrates the average monthly humidity levels in South Dayton, 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 South Dayton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in South Dayton

In South Dayton 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 South Dayton.

Maximum UV Index Levels in South Dayton for August

The chart shows the monthly maximum UV Index (UVI) for South Dayton 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 South Dayton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: South Dayton 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 South Dayton Compares to Other Months

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

This table compares monthly weather conditions in South Dayton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)102 mm (4.0 inches)91%moderate
February Weather-2°C (28°F)110 mm (4.3 inches)91%moderate
March Weather1°C (34°F)103 mm (4.1 inches)88%high
April Weather7°C (45°F)130 mm (5.1 inches)88%very high
May Weather14°C (57°F)135 mm (5.3 inches)82%very high
June Weather18°C (65°F)146 mm (5.7 inches)79%very high
July Weather21°C (70°F)154 mm (6.1 inches)77%very high
August Weather20°C (68°F)113 mm (4.4 inches)72%very high
September Weather17°C (62°F)88 mm (3.5 inches)76%very high
October Weather11°C (52°F)147 mm (5.8 inches)83%high
November Weather3°C (37°F)125 mm (4.9 inches)88%moderate
December Weather-1°C (31°F)118 mm (4.6 inches)87%low

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