January weather forecastNorwalk, WI
January
Weather in January
January, like December, is a freezing cold winter month in Norwalk, Wisconsin, with an average temperature fluctuating between 8.2°F (-13.2°C) and 21.4°F (-5.9°C).Temperature
The coldest month is January, with an average high-temperature of 21.4°F (-5.9°C) and an average low-temperature of 8.2°F (-13.2°C).Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
The months with the least rainfall in Norwalk, Wisconsin, are January and February Rain falls for 3.5 days and accumulates 0.67" (17mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Norwalk, during January, snow falls for 14.6 days and regularly aggregates up to 3.07" (78mm) of snow. Throughout the year, there are 58.3 snowfall days, and 16.02" (407mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 22min.On the first day of January in Norwalk, sunrise is at 7:36 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:11 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 2.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Norwalk. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 during January leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Norwalk, WI
- Average high temperature in January: 21.4°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in January: 8.2°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 (8.2°F).
Average pressure in January
Norwalk, 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 (29.9"Hg).
Average wind speed in January
Norwalk, WI
- Average wind speed in January: 9mph
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 (6.5mph).
Average humidity in January
Norwalk, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Norwalk, WI
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in January
Norwalk, WI
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in January
Norwalk, WI
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Norwalk, WI
- Average snowfall days in January: 14.6 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Norwalk, 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: 2h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in January
Norwalk, WI
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in January
Norwalk, 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, February, November and December (UV index 1).
Average cloud cover in January
Norwalk, WI
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Norwalk, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
