January weather forecastSeneca, WI
January
Weather in January
January, like December, is a freezing cold winter month in Seneca, Wisconsin, with an average temperature fluctuating between 9.9°F (-12.3°C) and 23.4°F (-4.8°C).Temperature
January, with an average high of 23.4°F (-4.8°C) and a low of 9.9°F (-12.3°C), signifies the coldest month of the year.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.8 days and typically collects 1.14" (29mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Seneca, Wisconsin, in January, during 15.7 snowfall days, 5.12" (130mm) of snow is typically accumulated. In Seneca, during the entire year, snow falls for 60.2 days and aggregates up to 22.13" (562mm) of snow.Daylight
In January, the average length of the day in Seneca is 9h and 25min.On the first day of January, sunrise is at 7:35 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Seneca, WI
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 9.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in January
Seneca, 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
Seneca, WI
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Seneca, WI
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Seneca, WI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Seneca, WI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Seneca, WI
- Average snowfall in January: 5.12"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Seneca, WI
- Average snowfall days in January: 15.7 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Seneca, WI
- Average daylight in January: 9h and 24min
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 0min).
- Average sunshine in January: 3h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Seneca, WI
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in January
Seneca, 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
Seneca, WI
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Seneca, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).





