January weather forecastSparta, WI
January
Weather in January
January, the same as December, in Sparta, Wisconsin, is a freezing cold winter month, with temperature in the range of an average low of 8.1°F (-13.3°C) and an average high of 21.6°F (-5.8°C).Temperature
January is Sparta's coldest month, registering average high temperatures of 21.6°F (-5.8°C) and lows of 8.1°F (-13.3°C).Humidity
January and February, with an average relative humidity of 90%, are the most humid months in Sparta.Rainfall
January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sparta. In January, in Sparta, Wisconsin, it is snowing for 15.5 days. Throughout January, 5.2" (132mm) of snow is accumulated. Throughout the year, in Sparta, Wisconsin, there are 67.6 snowfall days, and 26.34" (669mm) of snow is accumulated.Daylight
The average length of the day in January in Sparta is 9h and 21min.On the first day of the month, sunrise is at 7:37 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:11 pm CST.
Sunshine
With an average of 3h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sparta, Wisconsin. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 1 in January translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. 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
Sparta, WI
- Average high temperature in January: 21.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in January: 8.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in January
Sparta, WI
- Average pressure in January: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Sparta, WI
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Sparta, WI
- Average humidity in January: 90%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Sparta, WI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Sparta, WI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Sparta, WI
- Average snowfall in January: 5.2"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sparta, WI
- Average snowfall days in January: 15.5 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sparta, WI
- Average daylight in January: 9h and 18min
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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Sparta, WI
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in January
Sparta, WI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Sparta, WI
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Sparta, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
