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August Weather in Evansville, United States

Last updated: June 24, 2025

In August, the average temperature in Evansville, United States hovers around 20°C (69°F), providing a pleasant backdrop for your activities. While you can expect a minimum of 8°C (46°F) and a maximum of 32°C (90°F), be prepared for a touch of humidity with an average of 83%. Rainfall is also a factor, with approximately 120 mm (4.7 in) of precipitation spread over 11 days. Plan accordingly to make the most of your visit!

August Temperature in Evansville

In August in Evansville, the average temperature is 20°C (69°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 8°C (46°F). This mild climate makes Evansville an ideal destination for travelers looking to enjoy pleasant weather during their visit.

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

The chart illustrates August temperature patterns in Evansville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Evansville, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec121129405670736961453020
Data source: Temperature data for Evansville 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 Evansville

In Evansville in August, the precipitation amount is 120 mm (4.7 in) during a span of 11 days.

August Precipitation Trends in Evansville

The chart displays monthly precipitation patterns in Evansville, 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 Evansville, August typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec19203565797811112191882541
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Evansville

In Evansville in August, humidity is 83%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making every step slightly more laborious and the air thick with moisture, which can be quite stifling for traveling.

August Average Humidity in Evansville

This chart illustrates the average monthly humidity levels in Evansville, 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 Evansville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Evansville

In Evansville 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 Evansville.

Maximum UV Index Levels in Evansville for August

The chart shows the monthly maximum UV Index (UVI) for Evansville 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 Evansville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Evansville 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 Evansville Compares to Other Months

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

This table compares monthly weather conditions in Evansville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)19 mm (0.8 inches)85%low
February Weather-11°C (12°F)20 mm (0.8 inches)89%moderate
March Weather-2°C (29°F)35 mm (1.4 inches)81%moderate
April Weather4°C (40°F)65 mm (2.5 inches)82%high
May Weather14°C (57°F)79 mm (3.1 inches)76%very high
June Weather21°C (70°F)77 mm (3.1 inches)81%very high
July Weather23°C (73°F)111 mm (4.4 inches)82%very high
August Weather20°C (69°F)120 mm (4.7 inches)83%very high
September Weather16°C (62°F)91 mm (3.6 inches)82%high
October Weather7°C (45°F)88 mm (3.5 inches)82%moderate
November Weather-1°C (30°F)25 mm (1.0 inches)87%moderate
December Weather-7°C (20°F)41 mm (1.6 inches)84%low

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