January weather forecastFairwater, WI
January
Weather in January
January, the same as December, in Fairwater, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 10.4°F (-12°C).Temperature
January, with average temperatures reaching a high of 22.5°F (-5.3°C) and a low of 10.4°F (-12°C), is the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.7 days and typically collects 0.47" (12mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Fairwater. In Fairwater, during January, snow falls for 12.7 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 48.8 snowfall days, and 9.37" (238mm) of snow is accumulated.Daylight
In Fairwater, the average length of the day in January is 9h and 22min.On the first day of January in Fairwater, sunrise is at 7:29 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:04 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Fairwater. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 1 in January transforms into this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fairwater, WI
- Average high temperature in January: 22.5°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 (22.5°F).
- Average low temperature in January: 10.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in January
Fairwater, WI
- Average pressure in January: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Fairwater, WI
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in January
Fairwater, 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 (76%).
Average rainfall in January
Fairwater, WI
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Fairwater, WI
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in January
Fairwater, WI
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Fairwater, WI
- Average snowfall days in January: 12.7 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fairwater, WI
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 18min
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 18min).
Average sunshine days in January
Fairwater, WI
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in January
Fairwater, WI
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Fairwater, WI
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
Fairwater, WI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, October, November and December (6mi).
The months with the lowest visibility are January, July and September (5mi).





