January weather forecastNiagara, WI
January
Weather in January
January, the same as December, in Niagara, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 10.2°F (-12.1°C) and 21°F (-6.1°C).Temperature
Niagara's January weather, with an average high temperature of 21°F (-6.1°C) and an average low temperature of 10.2°F (-12.1°C), tends to be the coldest of the year.Humidity
The average relative humidity in January in Niagara is 89%.Rainfall
The month with the least rainfall is January, when the rain falls for 6.9 days and typically collects 1.14" (29mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Niagara, in January, during 20.8 snowfall days, 7.8" (198mm) of snow is typically accumulated. In Niagara, Wisconsin, during the entire year, snow falls for 92.1 days and aggregates up to 41.26" (1048mm) of snow.Daylight
The average length of the day in January in Niagara is 9h and 10min.On the first day of January in Niagara, sunrise is at 7:32 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:55 pm CST.
Sunshine
In January, the average sunshine in Niagara, Wisconsin, is 3h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. 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
Niagara, WI
- Average high temperature in January: 21°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in January: 10.2°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in January
Niagara, WI
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Niagara, WI
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Niagara, WI
- Average humidity in January: 89%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in January
Niagara, WI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Niagara, WI
- Average rainfall days in January: 6.9 days
The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Niagara, WI
- Average snowfall in January: 7.8"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Niagara, WI
- Average snowfall days in January: 20.8 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Niagara, WI
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in January
Niagara, WI
- Average sunshine days in January: 9.2 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in January
Niagara, 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
Niagara, WI
- Average cloud cover in January: 68
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Niagara, WI
- Average visibility in January: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The month with the lowest visibility is February (4mi).





