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August Weather in Carol Stream, United States

Last updated: June 24, 2025

In August, the average temperature in Carol Stream, United States is a pleasant 22°C (73°F). Expect temperature fluctuations, with a minimum of 9°C (48°F) and soaring up to a maximum of 34°C (93°F). Be prepared for some rain, as 99 mm (3.9 in) of precipitation is expected over 11 days. The average humidity during this month is relatively high at 81%, contributing to a balmy atmosphere.

August Temperature in Carol Stream

In August in Carol Stream, the average temperature is 22°C (73°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip as low as 9°C (48°F). This varied climate makes Carol Stream a perfect destination for travelers looking to enjoy both warm days and cooler evenings.

August Weather in Carol Stream: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Carol Stream, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carol Stream, August typically has an average temperature of 22°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec242739486071757267543832
Data source: Temperature data for Carol Stream 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 Carol Stream

In Carol Stream, in August, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

August Precipitation Trends in Carol Stream

The chart displays monthly precipitation patterns in Carol Stream, 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 Carol Stream, August typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec61598111716914010699911275453
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Carol Stream

In Carol Stream in August, humidity is 81%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit more challenging but also invigorating, as you experience the vibrant atmosphere of the surroundings.

August Average Humidity in Carol Stream

This chart illustrates the average monthly humidity levels in Carol Stream, 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 Carol Stream is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Carol Stream

In Carol Stream 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 Carol Stream.

Maximum UV Index Levels in Carol Stream for August

The chart shows the monthly maximum UV Index (UVI) for Carol Stream 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 Carol Stream typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Carol Stream 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 Carol Stream Compares to Other Months

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

This table compares monthly weather conditions in Carol Stream, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)61 mm (2.4 inches)82%moderate
February Weather-3°C (27°F)59 mm (2.3 inches)83%moderate
March Weather4°C (39°F)81 mm (3.2 inches)84%high
April Weather9°C (48°F)117 mm (4.6 inches)85%very high
May Weather16°C (61°F)168 mm (6.6 inches)79%very high
June Weather22°C (72°F)140 mm (5.5 inches)82%very high
July Weather24°C (75°F)106 mm (4.2 inches)80%very high
August Weather22°C (73°F)99 mm (3.9 inches)81%very high
September Weather19°C (67°F)91 mm (3.6 inches)80%very high
October Weather12°C (54°F)127 mm (5.0 inches)82%high
November Weather3°C (38°F)54 mm (2.1 inches)88%moderate
December Weather0°C (32°F)53 mm (2.1 inches)84%low

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