January weather forecastHayward, WI
January
Weather in January
January ushers in the New Year with the chilly kiss of winter. As the coldest month of the year, temperatures often plummet to a frigid 5°F (-15°C), with snowfall prevalent. Moving into February, these freezing conditions often persist, although with slightly less severity. The quiet of the snowy landscape is often interrupted by gusts of wind, which can reach up to 12.5mph (20.1km/h). For those who enjoy the icy grasp of winter, January offers the perfect conditions for winter sports and activities.Temperature
With an average high-temperature of 17.4°F (-8.1°C) and an average low-temperature of 5°F (-15°C), January is the coldest month.Humidity
January and February, with an average relative humidity of 92%, are the most humid months.Rainfall
January is the month with the least rainfall in Hayward. Rain falls for 2.3 days and accumulates 0.71" (18mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hayward, in January, snow falls for 19 days, with typically accumulated 5.16" (131mm) of snow. In Hayward, Wisconsin, during the entire year, snow falls for 87.1 days and aggregates up to 33.39" (848mm) of snow.Daylight
In Hayward, the average length of the day in January is 9h and 8min.On the first day of January, sunrise is at 7:47 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:09 pm CST.
Sunshine
With an average of 2.1h of sunshine, January has the least sunshine of the year.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 minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 1 in January leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hayward, WI
- Average high temperature in January: 17.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in January: 5°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in January
Hayward, WI
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Hayward, WI
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Hayward, WI
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in January
Hayward, WI
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in January
Hayward, WI
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in January
Hayward, WI
- Average snowfall in January: 5.16"
The month with the highest snowfall is December (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hayward, WI
- Average snowfall days in January: 19 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hayward, WI
- Average daylight in January: 9h and 6min
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 6min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in January
Hayward, WI
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (10.9 days).
Average UV index in January
Hayward, 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, November and December (UV index 1).
Average cloud cover in January
Hayward, WI
- Average cloud cover in January: 80
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in January
Hayward, WI
- Average visibility in January: 4mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
