January weather forecastSouth Lyon, MI
January
Weather in January
January, like December, is a freezing cold winter month in South Lyon, Michigan, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 17.2°F (-8.2°C).Temperature
South Lyon's coldest temperatures are experienced in January, with average high temperatures of 28°F (-2.2°C) and lows of 17.2°F (-8.2°C).Humidity
January and February, with an average relative humidity of 86%, are the most humid months in South Lyon, Michigan.Rainfall
In South Lyon, in January, during 4.4 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, in South Lyon, there are 121.2 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In January, in South Lyon, it is snowing for 11.7 days. Throughout January, 1.54" (39mm) of snow is accumulated. Throughout the year, in South Lyon, there are 46.7 snowfall days, and 5.87" (149mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 8:04 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:46 pm EST.
Sunshine
January has the least sunshine of the year in South Lyon, Michigan, with an average of 2.8h of sunshine.UV index
The months with the lowest UV index in South Lyon are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during January translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
South Lyon, MI
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 17.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in January
South Lyon, MI
- Average pressure in January: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
South Lyon, MI
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in January
South Lyon, MI
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
South Lyon, MI
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in January
South Lyon, MI
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
South Lyon, MI
- Average snowfall in January: 1.54"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
South Lyon, MI
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Lyon, MI
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in January
South Lyon, MI
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in January
South Lyon, MI
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
South Lyon, MI
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
South Lyon, MI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
