January weather forecastWinona, MI
January
Weather in January
January, like December, is a freezing cold winter month in Winona, Michigan, with an average temperature fluctuating between 22.3°F (-5.4°C) and 14.4°F (-9.8°C).Temperature
Winona's coldest temperatures are experienced in January, with average high temperatures of 22.3°F (-5.4°C) and lows of 14.4°F (-9.8°C).Humidity
The most humid month is January, with an average relative humidity of 88%.Rainfall
In Winona, Michigan, during January, the rain falls for 2.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Winona, during the entire year, the rain falls for 122.6 days and collects up to 22.56" (573mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Winona. In Winona, during January, snow falls for 22.5 days and regularly aggregates up to 6.5" (165mm) of snow. Throughout the year, in Winona, there are 100.8 snowfall days, and 33.98" (863mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 2min.On the first day of the month, sunrise is at 8:40 am and sunset at 5:17 pm. On the last day of January, in Winona, sunrise is at 8:21 am and sunset at 5:56 pm EST.
Sunshine
January has the least sunshine of the year in Winona, Michigan, with an average of 1.6h of 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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Winona, MI
- Average high temperature in January: 22.3°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in January: 14.4°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in January
Winona, MI
- Average pressure in January: 30.05"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
Winona, MI
- Average wind speed in January: 12.6mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in January
Winona, MI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in January
Winona, MI
- Average rainfall in January: 1.34"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in January
Winona, MI
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in January
Winona, MI
- Average snowfall in January: 6.5"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Winona, MI
- Average snowfall days in January: 22.5 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Winona, MI
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 1h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in January
Winona, MI
- Average sunshine days in January: 5.6 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in January
Winona, MI
- Average UV index in January: 1
The months with the highest UV index are 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
Winona, MI
- Average cloud cover in January: 84
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in January
Winona, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





