March Weather in South Lyon, United States

Last updated: June 24, 2025

In March, the average temperature in South Lyon, United States hovers around a chilly 3°C (37°F). Expect the mercury to dip as low as -15°C (6°F) and potentially soar to a pleasant 23°C (74°F). With precipitation around 72 mm (2.8 in) over 10 days, and humidity levels reaching a significant 85%, be prepared for a moist and varied climate this season.

March Temperature in South Lyon

In March in South Lyon, the average temperature is 3°C (37°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -15°C (6°F). This variation in temperature makes it essential to pack layers for any travel plans.

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

The chart illustrates March 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, March typically has an average temperature of 3°C (37°F), with highs reaching up to 23°C (74°F) and lows dropping to around -15°C (6°F).

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

March Precipitation in South Lyon

In South Lyon in March, the total precipitation amount is 72 mm (2.8 in) spread over a duration of 10 days.

March Precipitation Trends in South Lyon

The chart displays monthly precipitation patterns in South Lyon, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In South Lyon, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

March Humidity in South Lyon

In South Lyon in March, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

March Average Humidity in South Lyon

This chart illustrates the average monthly humidity levels in South Lyon, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in South Lyon is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in South Lyon

In South Lyon in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in South Lyon.

Maximum UV Index Levels in South Lyon for March

The chart shows the monthly maximum UV Index (UVI) for South Lyon in March, 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 March, the maximum UV index in South Lyon typically reaches 5, which falls under the moderate exposure category.

Data source: South Lyon March 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 March 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 March’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 March’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