January weather forecastIrma, WI
January
Weather in January
January, like December, is another subzero cold winter month in Irma, Wisconsin, with an average temperature fluctuating between 7.3°F (-13.7°C) and 18.9°F (-7.3°C).Temperature
January, with average temperatures reaching a high of 18.9°F (-7.3°C) and a low of 7.3°F (-13.7°C), is the coldest month.Humidity
In January, the average relative humidity in Irma is 91%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.5 days and typically collects 1.1" (28mm) of precipitation.Snowfall
Months with snowfall in Irma are January through May, October through December. In January, in Irma, it is snowing for 22.3 days. Throughout January, 7.13" (181mm) of snow is accumulated. Throughout the year, in Irma, there are 104.4 snowfall days, and 41.26" (1048mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 12min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:26 pm. On the last day of January, in Irma, sunrise is at 7:20 am and sunset at 5:03 pm CST.
Sunshine
With an average of 2.3h of sunshine, January has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Irma. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Irma, WI
- Average high temperature in January: 18.9°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in January: 7.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in January
Irma, WI
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Irma, WI
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in January
Irma, WI
- Average humidity in January: 91%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in January
Irma, WI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Irma, WI
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in January
Irma, WI
- Average snowfall in January: 7.13"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Irma, WI
- Average snowfall days in January: 22.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Irma, WI
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 2h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Irma, WI
- Average sunshine days in January: 8.8 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (8 days).
Average UV index in January
Irma, 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, February, March, November and December (UV index 1).
Average cloud cover in January
Irma, WI
- Average cloud cover in January: 79
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in January
Irma, WI
- Average visibility in January: 4mi
The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).
