August Weather in Evansville, United States

Last updated: June 24, 2025

In August, the average temperature in Evansville, United States is a pleasant 22°C (72°F). However, don’t be surprised by the temperature fluctuations, as it can dip to a cool 9°C (48°F) or soar up to a warm 34°C (93°F). Expect about 102 mm (4.0 in) of precipitation over approximately 10 days, and keep in mind the average humidity is around 76%, making it alively and invigorating time of year!

August Temperature in Evansville

In August in Evansville, the average temperature is 22°C (72°F). Maximum temperatures can reach as high as 34°C (93°F), while minimums can dip down to 9°C (48°F). This variation makes it essential to pack layers for a comfortable travel experience.

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 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec222337466071757266523730
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 total precipitation amount is 102 mm (4.0 in) falling over the course of 10 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 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec585460101136119801021181144451
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 76%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as you navigate through the thick, saturated air.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
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-6°C (22°F)57 mm (2.3 inches)85%moderate
February Weather-5°C (24°F)54 mm (2.1 inches)85%moderate
March Weather3°C (37°F)60 mm (2.4 inches)85%high
April Weather8°C (47°F)101 mm (4.0 inches)85%very high
May Weather16°C (60°F)136 mm (5.3 inches)78%very high
June Weather22°C (71°F)119 mm (4.7 inches)80%very high
July Weather24°C (75°F)80 mm (3.2 inches)78%very high
August Weather22°C (72°F)102 mm (4.0 inches)76%very high
September Weather19°C (66°F)118 mm (4.6 inches)79%very high
October Weather11°C (52°F)114 mm (4.5 inches)83%moderate
November Weather3°C (37°F)44 mm (1.7 inches)88%moderate
December Weather-1°C (30°F)51 mm (2.0 inches)81%low

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