January weather forecastRoss, WI
January
Weather in January
January, the same as December, in Ross, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 9.3°F (-12.6°C) and 22.1°F (-5.5°C).Temperature
With average temperatures fluctuating between a high of 22.1°F (-5.5°C) and a low of 9.3°F (-12.6°C), January stands out as the coldest month.Humidity
The most humid month in Ross is January, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Ross. In Ross, Wisconsin, in January, snow falls for 13 days, with typically accumulated 5.47" (139mm) of snow. In Ross, during the entire year, snow falls for 54.2 days and aggregates up to 24.65" (626mm) of snow.Daylight
In Ross, the average length of the day in January is 9h and 23min.On the first day of January, sunrise is at 7:36 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:12 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.1h 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 Ross. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Ross, WI
- Average high temperature in January: 22.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in January: 9.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in January
Ross, 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
Ross, WI
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Ross, 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
Ross, WI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Ross, WI
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in January
Ross, WI
- Average snowfall in January: 5.47"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ross, WI
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ross, 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 6min
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 6min).
Average sunshine days in January
Ross, WI
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in January
Ross, 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
Ross, WI
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Ross, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, October and November (6mi).
The month with the lowest visibility is January (4mi).
