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August Weather in Edwardsville, United States

Last updated: June 24, 2025

The average temperature in Edwardsville, United States during August is a pleasant 22°C (72°F). Temperatures can range from a cool 10°C (50°F) to a warm 32°C (90°F). Expect about 121 mm (4.8 in) of precipitation spread over 13 days, with an average humidity level of 62%. Ideal weather for exploring!

August Temperature in Edwardsville

In August in Edwardsville, the average temperature is 22°C (72°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 10°C (50°F). This makes Edwardsville a delightful destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates August temperature patterns in Edwardsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edwardsville, August typically has an average temperature of 22°C (72°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec283237485968737165554034
Data source: Temperature data for Edwardsville 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 Edwardsville

In Edwardsville in August, the total precipitation amount is 121 mm (4.8 in) over the course of 13 days.

August Precipitation Trends in Edwardsville

The chart displays monthly precipitation patterns in Edwardsville, 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 Edwardsville, August typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec719688102122951181211021148783
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Edwardsville

In Edwardsville in August, humidity is 62%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping embrace that adds a slight stickiness to the skin, making outdoor activities refreshing yet requiring occasional breaks to hydrate and stay cool while exploring.

August Average Humidity in Edwardsville

This chart illustrates the average monthly humidity levels in Edwardsville, 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 Edwardsville is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Edwardsville

In Edwardsville 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 Edwardsville.

Maximum UV Index Levels in Edwardsville for August

The chart shows the monthly maximum UV Index (UVI) for Edwardsville 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 Edwardsville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Edwardsville 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 Edwardsville Compares to Other Months

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

This table compares monthly weather conditions in Edwardsville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)71 mm (2.8 inches)87%moderate
February Weather0°C (32°F)96 mm (3.8 inches)85%moderate
March Weather3°C (38°F)88 mm (3.5 inches)85%high
April Weather9°C (49°F)102 mm (4.0 inches)83%very high
May Weather15°C (60°F)122 mm (4.8 inches)75%very high
June Weather20°C (68°F)95 mm (3.7 inches)73%very high
July Weather23°C (74°F)118 mm (4.6 inches)65%very high
August Weather22°C (72°F)121 mm (4.8 inches)62%very high
September Weather18°C (65°F)102 mm (4.0 inches)66%very high
October Weather13°C (55°F)114 mm (4.5 inches)79%high
November Weather5°C (41°F)87 mm (3.4 inches)87%moderate
December Weather1°C (34°F)83 mm (3.3 inches)85%low

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