Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January stands out as Sun Prairie's coldest month, with temperatures ranging between an average high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C).Humidity
The most humid month in Sun Prairie is January, with an average relative humidity of 89%.Rainfall
In Sun Prairie, in January, it is raining for 4.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Sun Prairie, during the entire year, the rain falls for 138.5 days and collects up to 26.42" (671mm) of precipitation.Snowfall
Months with snowfall in Sun Prairie, Wisconsin, are January through April, October through December. January is the month with the most snowfall in Sun Prairie. Snow falls for 14.2 days and accumulates 5.04" (128mm) of snow.Daylight
In January, the average length of the day is 9h and 25min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:07 pm CST.
Sunshine
The month with the least sunshine is January, 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. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Sun Prairie?
How cold is January in Sun Prairie?
What is the most humid month in Sun Prairie?
What is the average humidity in January in Sun Prairie?
How much does it rain in Sun Prairie in January?
When does it snow the most in Sun Prairie?
How much does it snow in Sun Prairie in January?
How many hours of daylight does Sun Prairie have in January?
What time are sunrise and sunset in January in Sun Prairie?
What is the month with the least sunshine in Sun Prairie?
How many hours of sunshine does Sun Prairie have in January?
What is the month with the lowest UV index in Sun Prairie?
What is the UV index intensity in January in Sun Prairie?
Average temperature in January
Sun Prairie, WI
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in January
Sun Prairie, WI
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Sun Prairie, WI
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Sun Prairie, WI
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Sun Prairie, WI
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in January
Sun Prairie, WI
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in January
Sun Prairie, WI
- Average snowfall in January: 5.04"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Sun Prairie, WI
- Average snowfall days in January: 14.2 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sun Prairie, WI
- Average daylight in January: 9h and 2min
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 2min
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
Sun Prairie, WI
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in January
Sun Prairie, 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, November and December (UV index 1).
Average cloud cover in January
Sun Prairie, 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 33).
Average visibility in January
Sun Prairie, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Sun Prairie, Wisconsin, USA
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