January weather forecastCedar Grove, WI
January
Weather in January
January, the same as December, in Cedar Grove, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 26.1°F (-3.3°C).Temperature
The coldest temperatures occur during January, when averages reach a peak of 26.1°F (-3.3°C) and a low of 16.7°F (-8.5°C).Humidity
The most humid month is January, with an average relative humidity of 86%.Rainfall
In Cedar Grove, in January, it is raining for 4.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Cedar Grove, during the entire year, the rain falls for 141.6 days and collects up to 28.23" (717mm) of precipitation.Snowfall
Months with snowfall in Cedar Grove are January through April, October through December. In Cedar Grove, during January, snow falls for 11.1 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 44.3 snowfall days, and 12.68" (322mm) of snow is accumulated.Daylight
In Cedar Grove, Wisconsin, the average length of the day in January is 9h and 23min.On the first day of January, sunrise is at 7:24 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:00 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
January and December, 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 unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cedar Grove, WI
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 16.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in January
Cedar Grove, WI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Cedar Grove, WI
- Average wind speed in January: 13.4mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in January
Cedar Grove, WI
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in January
Cedar Grove, WI
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Cedar Grove, WI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Cedar Grove, WI
- Average snowfall in January: 2.95"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cedar Grove, WI
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is January (11.1 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
Cedar Grove, 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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Cedar Grove, WI
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in January
Cedar Grove, 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 and December (UV index 1).
Average cloud cover in January
Cedar Grove, WI
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Cedar Grove, WI
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





