August Weather in Elgin, United States

Last updated: June 24, 2025

In August, the average temperature in Elgin, United States hovers around 20°C (68°F). Temperatures can vary significantly, with a minimum of 4°C (40°F) and soaring up to a maximum of 39°C (102°F). Expect 16 mm (0.6 in) of precipitation over approximately 3 days, accompanied by an average humidity of 60%.

August Temperature in Elgin

In August in Elgin, the average temperature is 20°C (68°F). Maximums can reach 39°C (102°F) and minimums can be as low as 4°C (40°F). This wide temperature range makes it essential to pack both light clothing for the daytime heat and warmer layers for cooler evenings.

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 20°C (68°F), with highs reaching up to 39°C (102°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Elgin generated using information from the Copernicus Climate Change Service.

August Precipitation in Elgin

In Elgin in August, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 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 16 mm (0.6 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Elgin

In Elgin in August, humidity is 60%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling quite comfortable yet slightly sticky, perfect for leisurely strolls but reminding you to stay hydrated.

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 60%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	93 mm (3.7 inches)	86%	moderate
February Weather	-2°C (29°F)	144 mm (5.7 inches)	86%	moderate
March Weather	2°C (36°F)	97 mm (3.8 inches)	85%	high
April Weather	6°C (43°F)	95 mm (3.8 inches)	83%	very high
May Weather	11°C (51°F)	72 mm (2.8 inches)	77%	very high
June Weather	15°C (59°F)	44 mm (1.7 inches)	81%	very high
July Weather	20°C (69°F)	3 mm (0.1 inches)	76%	very high
August Weather	20°C (68°F)	16 mm (0.6 inches)	60%	very high
September Weather	14°C (58°F)	39 mm (1.5 inches)	58%	very high
October Weather	7°C (45°F)	73 mm (2.9 inches)	75%	moderate
November Weather	2°C (36°F)	93 mm (3.7 inches)	85%	moderate
December Weather	-1°C (30°F)	111 mm (4.4 inches)	87%	low