August Weather in Elgin, United States

Last updated: June 24, 2025

In August, the average temperature in Elgin, United States is a pleasant 21°C (70°F). However, be prepared for a temperature range that dips to as low as 7°C (44°F) and can soar up to 38°C (101°F). During this month, you can expect approximately 70 mm (2.7 in) of precipitation spread over 8 days, with an average humidity level of 78%.

August Temperature in Elgin

In August in Elgin, the average temperature is 21°C (70°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 7°C (44°F). This wide temperature range makes it essential to pack layers for your travels.

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

The chart illustrates August temperature patterns in Elgin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elgin, August typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec181531405568737061433223
Data source: Temperature data for Elgin 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 Elgin

In Elgin in August, the precipitation amount is 70 mm (2.7 in) spread over 8 days.

August Precipitation Trends in Elgin

The chart displays monthly precipitation patterns in Elgin, 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 Elgin, August typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec121625296757617048571620
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Elgin

In Elgin in August, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.

August Average Humidity in Elgin

This chart illustrates the average monthly humidity levels in Elgin, 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 Elgin is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Elgin

In Elgin 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 Elgin.

Maximum UV Index Levels in Elgin for August

The chart shows the monthly maximum UV Index (UVI) for Elgin 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 Elgin typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25598101097532
Data source: Elgin 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 Elgin Compares to Other Months

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

This table compares monthly weather conditions in Elgin, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)12 mm (0.5 inches)84%low
February Weather-10°C (15°F)16 mm (0.6 inches)88%moderate
March Weather-1°C (31°F)24 mm (1.0 inches)78%moderate
April Weather5°C (41°F)28 mm (1.1 inches)75%very high
May Weather13°C (55°F)66 mm (2.6 inches)76%very high
June Weather20°C (69°F)57 mm (2.3 inches)79%very high
July Weather23°C (74°F)61 mm (2.4 inches)78%very high
August Weather21°C (70°F)70 mm (2.7 inches)78%very high
September Weather16°C (61°F)48 mm (1.9 inches)69%high
October Weather6°C (44°F)57 mm (2.3 inches)71%moderate
November Weather0°C (32°F)16 mm (0.6 inches)82%moderate
December Weather-5°C (24°F)20 mm (0.8 inches)84%low

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