August Weather in South Lyon, United States

Last updated: June 24, 2025

In August, the average temperature in South Lyon, United States hovers around 22°C (72°F), ideal for outdoor activities. Temperatures can fluctuate, with a minimum of 9°C (48°F) and a maximum of 33°C (92°F). Expect 74 mm (2.9 in) of precipitation spread over 11 days, along with an average humidity level of 80%.

August Temperature in South Lyon

In August in South Lyon, the average temperature is 22°C (72°F). Maximums can reach 33°C (92°F), while minimums can be as low as 9°C (48°F). It’s a great time for travelers to enjoy a mix of warm days and cooler nights.

August Weather in South Lyon: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South Lyon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Lyon, August typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).

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

August Precipitation in South Lyon

In South Lyon in August, the precipitation amount is 74 mm (2.9 in) spread over the course of 11 days.

August Precipitation Trends in South Lyon

The chart displays monthly precipitation patterns in South Lyon, 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 South Lyon, August typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 11 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 South Lyon

In South Lyon in August humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.

August Average Humidity in South Lyon

This chart illustrates the average monthly humidity levels in South Lyon, 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 South Lyon is approximately 80%, 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 South Lyon

In South Lyon 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 South Lyon.

Maximum UV Index Levels in South Lyon for August

The chart shows the monthly maximum UV Index (UVI) for South Lyon 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 South Lyon typically reaches 9, which falls under the very high exposure category.

Data source: South Lyon 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 South Lyon Compares to Other Months

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

This table compares monthly weather conditions in South Lyon, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	63 mm (2.5 inches)	88%	low
February Weather	-3°C (28°F)	66 mm (2.6 inches)	87%	moderate
March Weather	3°C (37°F)	72 mm (2.8 inches)	85%	moderate
April Weather	8°C (47°F)	90 mm (3.6 inches)	86%	very high
May Weather	15°C (60°F)	111 mm (4.4 inches)	80%	very high
June Weather	21°C (70°F)	98 mm (3.9 inches)	80%	very high
July Weather	23°C (74°F)	90 mm (3.5 inches)	80%	very high
August Weather	22°C (72°F)	74 mm (2.9 inches)	80%	very high
September Weather	18°C (65°F)	73 mm (2.9 inches)	80%	high
October Weather	12°C (54°F)	104 mm (4.1 inches)	84%	moderate
November Weather	4°C (39°F)	74 mm (2.9 inches)	89%	moderate
December Weather	0°C (32°F)	54 mm (2.1 inches)	86%	low