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, with its high-temperature average of 22.6°F (-5.2°C) and a low-temperature average of 10.6°F (-11.9°C), is the coldest month.Humidity
The most humid month in Prairie du Sac is January, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Prairie du Sac, during January, snow falls for 13.2 days and regularly aggregates up to 2.52" (64mm) of snow. Throughout the year, there are 50.5 snowfall days, and 11.69" (297mm) of snow is accumulated.Daylight
In Prairie du Sac, Wisconsin, the average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:31 am and sunset at 4:33 pm. On the last day of January, in Prairie du Sac, sunrise is at 7:15 am and sunset at 5:08 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. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during January leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Prairie du Sac?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in Prairie du Sac in January?
How many days does it snow in January in Prairie du Sac?
How many hours of daylight does Prairie du Sac have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Prairie du Sac have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Prairie du Sac, WI
- Average high temperature in January: 22.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in January: 10.6°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 (10.6°F).
Average pressure in January
Prairie du Sac, 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
Prairie du Sac, WI
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Prairie du Sac, WI
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Prairie du Sac, WI
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in January
Prairie du Sac, WI
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in January
Prairie du Sac, WI
- Average snowfall in January: 2.52"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Prairie du Sac, WI
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Prairie du Sac, 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
Prairie du Sac, WI
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in January
Prairie du Sac, 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
Prairie du Sac, WI
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Prairie du Sac, 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).
Prairie du Sac, Wisconsin, USA
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