January weather forecastLone Rock, WI
January
Weather in January
January, like December, is a freezing cold winter month in Lone Rock, Wisconsin, with an average temperature varying between 10°F (-12.2°C) and 23.4°F (-4.8°C).Temperature
Lone Rock notes the coldest temperatures in January, with a high average of 23.4°F (-4.8°C) and a low of 10°F (-12.2°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall in Lone Rock. Rain falls for 3.2 days and accumulates 0.63" (16mm) of precipitation.Snowfall
Months with snowfall in Lone Rock are January through April, October through December. In January, it is snowing for 12.8 days. Throughout January, 2.83" (72mm) of snow is accumulated. Throughout the year, there are 51.6 snowfall days, and 12.17" (309mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:32 am and sunset at 4:35 pm. On the last day of January, in Lone Rock, sunrise is at 7:17 am and sunset at 5:11 pm CST.
Sunshine
With an average of 3.2h of sunshine, January has the least sunshine of the year in Lone Rock.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during January translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lone Rock, WI
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 10°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in January
Lone Rock, WI
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Lone Rock, WI
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Lone Rock, WI
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Lone Rock, WI
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in January
Lone Rock, WI
- Average rainfall days in January: 3.2 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in January
Lone Rock, WI
- Average snowfall in January: 2.83"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Lone Rock, WI
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lone Rock, WI
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in January
Lone Rock, WI
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Lone Rock, WI
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Lone Rock, WI
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
Lone Rock, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





