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August Weather in Mundelein, United States

Last updated: June 24, 2025

In August, the average temperature in Mundelein, United States hovers around 22°C (73°F). Expect comfortable days with a minimum of 12°C (55°F) and a maximum of 32°C (91°F). However, be prepared for some rain, as the region sees about 83 mm (3.3 in) of precipitation over 11 days. With an average humidity of 76%, the climate remains pleasantly warm yet slightly sticky.

August Temperature in Mundelein

In August in Mundelein, the average temperature is 22°C (73°F). Maximums can reach 32°C (91°F), while minimums can drop to as low as 12°C (55°F). This makes it an ideal time for travelers to enjoy a comfortable climate while exploring the sights.

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

The chart illustrates August temperature patterns in Mundelein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mundelein, August typically has an average temperature of 22°C (73°F), with highs reaching up to 32°C (91°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737455668747267543933
Data source: Temperature data for Mundelein 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 Mundelein

In Mundelein in August, the precipitation amount is 83 mm (3.3 in) over the course of 11 days.

August Precipitation Trends in Mundelein

The chart displays monthly precipitation patterns in Mundelein, 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 Mundelein, August typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6867761181641098483851335859
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mundelein

In Mundelein in August, humidity is 76%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that envelops you, making travel both refreshing and slightly steamy, as the air clings warmly to your skin.

August Average Humidity in Mundelein

This chart illustrates the average monthly humidity levels in Mundelein, 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 Mundelein 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 Mundelein

In Mundelein 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 Mundelein.

Maximum UV Index Levels in Mundelein for August

The chart shows the monthly maximum UV Index (UVI) for Mundelein 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 Mundelein typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Mundelein 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 Mundelein Compares to Other Months

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

This table compares monthly weather conditions in Mundelein, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)68 mm (2.7 inches)85%low
February Weather-3°C (28°F)67 mm (2.6 inches)85%moderate
March Weather3°C (38°F)76 mm (3.0 inches)85%high
April Weather7°C (46°F)118 mm (4.6 inches)85%very high
May Weather14°C (57°F)164 mm (6.5 inches)78%very high
June Weather20°C (68°F)109 mm (4.3 inches)80%very high
July Weather23°C (74°F)84 mm (3.3 inches)78%very high
August Weather22°C (73°F)83 mm (3.3 inches)76%very high
September Weather19°C (67°F)85 mm (3.3 inches)79%very high
October Weather12°C (54°F)133 mm (5.2 inches)83%moderate
November Weather4°C (40°F)58 mm (2.3 inches)88%moderate
December Weather1°C (33°F)59 mm (2.3 inches)81%low

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