January weather forecastSiren, WI
January
Weather in January
January, like December, is another subzero cold winter month in Siren, Wisconsin, with an average temperature varying between 18°F (-7.8°C) and 4.8°F (-15.1°C).Temperature
Siren's January weather, with an average high temperature of 18°F (-7.8°C) and an average low temperature of 4.8°F (-15.1°C), tends to be the coldest of the year.Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.55" (14mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 15.8 days. Throughout January, 3.54" (90mm) of snow is accumulated. Throughout the year, there are 70.6 snowfall days, and 23.9" (607mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 10min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 2.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 1 suggests these recommendations:
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. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Siren, WI
- Average high temperature in January: 18°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°F).
- Average low temperature in January: 4.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in January
Siren, WI
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Siren, WI
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in January
Siren, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in January
Siren, WI
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Siren, WI
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in January
Siren, WI
- Average snowfall in January: 3.54"
The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Siren, WI
- Average snowfall days in January: 15.8 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Siren, 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: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in January
Siren, WI
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in January
Siren, 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
Siren, WI
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Siren, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
