January weather forecastSeymour, WI
January
Weather in January
January, like December, is another subzero cold winter month in Seymour, Wisconsin, with an average temperature fluctuating between 11.7°F (-11.3°C) and 22.5°F (-5.3°C).Temperature
Seymour's coldest month, January, generally records average temperatures ranging from a high of 22.5°F (-5.3°C) to a low of 11.7°F (-11.3°C).Humidity
The months with the highest humidity in Seymour are January and February, with an average relative humidity of 88%.Rainfall
January is the month with the least rainfall. Rain falls for 3.6 days and accumulates 1.14" (29mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Seymour, in January, snow falls for 13.5 days, with typically accumulated 5.08" (129mm) of snow. In Seymour, during the entire year, snow falls for 55.6 days and aggregates up to 22.28" (566mm) of snow.Daylight
In January, the average length of the day is 9h and 17min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:00 pm CST.
Sunshine
January and February, with an average of 3.4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Seymour, WI
- Average high temperature in January: 22.5°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 (22.5°F).
- Average low temperature in January: 11.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in January
Seymour, WI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Seymour, WI
- Average wind speed in January: 9.8mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Seymour, WI
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in January
Seymour, WI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Seymour, WI
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in January
Seymour, WI
- Average snowfall in January: 5.08"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Seymour, WI
- Average snowfall days in January: 13.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Seymour, WI
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in January
Seymour, WI
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in January
Seymour, 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
Seymour, WI
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
Seymour, WI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
