January weather forecastArnold, WI
January
Weather in January
January, the same as December, in Arnold, Wisconsin, is a freezing cold winter month, with an average temperature varying between 18.7°F (-7.4°C) and 6.1°F (-14.4°C).Temperature
In Arnold, the lowest average temperatures are observed in January, with a high of 18.7°F (-7.4°C) and a low of 6.1°F (-14.4°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 92%.Rainfall
The month with the least rainfall in Arnold is January, when the rain falls for 3.7 days and typically collects 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Arnold, during January, snow falls for 17.8 days and regularly aggregates up to 5.43" (138mm) of snow. In Arnold, Wisconsin, during the entire year, snow falls for 84 days and aggregates up to 33.46" (850mm) of snow.Daylight
The average length of the day in January is 9h and 13min.On the first day of January, sunrise is at 7:43 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:09 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 2.8h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Arnold. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Arnold, WI
- Average high temperature in January: 18.7°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in January: 6.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in January
Arnold, 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 (29.89"Hg).
Average wind speed in January
Arnold, WI
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Arnold, WI
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in January
Arnold, WI
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Arnold, WI
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in January
Arnold, WI
- Average snowfall in January: 5.43"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Arnold, WI
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Arnold, 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 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in January
Arnold, WI
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Arnold, 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, November and December (UV index 1).
Average cloud cover in January
Arnold, WI
- Average cloud cover in January: 72
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Arnold, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
