January weather forecastDarien, WI
January
Weather in January
January, the same as December, in Darien, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 24.8°F (-4°C) and 12.9°F (-10.6°C).Temperature
The coldest month is January, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 12.9°F (-10.6°C).Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
The months with the least rainfall in Darien are January and December Rain falls for 3.8 days and accumulates 0.79" (20mm) of rain.Snowfall
Months with snowfall in Darien, Wisconsin, are January through April, October through December. January is the month with the most snowfall in Darien, Wisconsin. Snow falls for 13.4 days and accumulates 3.35" (85mm) of snow.Daylight
The average length of the day in January in Darien, Wisconsin, is 9h and 29min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:06 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Darien, WI
- Average high temperature in January: 24.8°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 (24.8°F).
- Average low temperature in January: 12.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in January
Darien, WI
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Darien, WI
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Darien, WI
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Darien, WI
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").
Average rainfall days in January
Darien, WI
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in January
Darien, WI
- Average snowfall in January: 3.35"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Darien, WI
- Average snowfall days in January: 13.4 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Darien, WI
- Average daylight in January: 9h and 30min
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 6min).
- Average sunshine in January: 3h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Darien, WI
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in January
Darien, 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 and December (UV index 1).
Average cloud cover in January
Darien, WI
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in January
Darien, 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).





