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August Weather in Evansville, United States

Last updated: June 24, 2025

In August, the average temperature in Evansville, United States is a pleasant 25°C (78°F). Expect temperatures to range from a cool 14°C (58°F) to a warm 35°C (95°F). With an average humidity of 76%, you'll want to stay hydrated, especially as the region experiences 85 mm (3.4 in) of precipitation over 11 days.

August Temperature in Evansville

In August in Evansville, the average temperature is 25°C (78°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 14°C (58°F). This diverse temperature range makes Evansville an ideal destination for travelers seeking both warmth and cooler relief during their stay.

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 25°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec363949576977807873614641
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 85 mm (3.4 in) over the course 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 85 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9612214012013311579858411792101
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 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick, causing travelers to seek shade and refreshment more often.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101110109753
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 Weather2°C (36°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)122 mm (4.8 inches)84%moderate
March Weather9°C (49°F)140 mm (5.5 inches)84%high
April Weather14°C (57°F)119 mm (4.7 inches)80%very high
May Weather21°C (69°F)133 mm (5.2 inches)82%very high
June Weather25°C (77°F)115 mm (4.5 inches)83%extreme
July Weather27°C (80°F)79 mm (3.1 inches)79%very high
August Weather25°C (78°F)85 mm (3.4 inches)76%very high
September Weather23°C (73°F)83 mm (3.3 inches)75%very high
October Weather16°C (62°F)117 mm (4.6 inches)74%high
November Weather8°C (46°F)92 mm (3.6 inches)85%moderate
December Weather5°C (42°F)101 mm (4.0 inches)88%moderate

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