January weather forecastMountain, WI
January
Weather in January
January, like December, is a freezing cold winter month in Mountain, Wisconsin, with an average temperature varying between 21.6°F (-5.8°C) and 10.8°F (-11.8°C).Temperature
January, noted for its average high-temperature of 21.6°F (-5.8°C) and an average low-temperature of 10.8°F (-11.8°C), is considered the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
The months with the least rainfall are January and February Rain falls for 3.8 days and accumulates 0.87" (22mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Mountain, during January, snow falls for 14.7 days and regularly aggregates up to 5.63" (143mm) of snow. Throughout the year, there are 66.5 snowfall days, and 28.9" (734mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 13min.On the first day of January, sunrise is at 7:32 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:59 pm CST.
Sunshine
In January, the average sunshine is 3.4h.UV index
January, March and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mountain, WI
- Average high temperature in January: 21.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Mountain, WI
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Mountain, WI
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Mountain, 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 May (73%).
Average rainfall in January
Mountain, WI
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in January
Mountain, WI
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Mountain, WI
- Average snowfall in January: 5.63"
The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mountain, WI
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mountain, WI
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Mountain, WI
- Average sunshine days in January: 16.8 days
The months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in January
Mountain, 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, March and November (UV index 1).
Average cloud cover in January
Mountain, WI
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Mountain, WI
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
