Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Monona reaches its lowest average temperatures in January, measuring 23.9°F (-4.5°C) at the peak and 10.8°F (-11.8°C) at the lowest.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 88%.Rainfall
January, March, November and December are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.24" (6mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Monona, during January, snow falls for 5.6 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, there are 22.6 snowfall days, and 2.83" (72mm) of snow is accumulated.Daylight
In Monona, the average length of the day in January is 9h and 26min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:32 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:07 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 in January translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Monona have in January?
When is the sunrise / sunset in January in Monona?
What is the month with the least sunshine?
How many hours of sunshine does Monona have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Monona, WI
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 10.8°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 (10.8°F).
Average pressure in January
Monona, WI
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Monona, WI
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Monona, 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 October (77%).
Average rainfall in January
Monona, WI
- Average rainfall in January: 0.24"
The wettest month (with the highest rainfall) is July (0.63").
The driest months (with the least rainfall) are January, March, November and December (0.24").
Average rainfall days in January
Monona, WI
- Average rainfall days in January: 1.1 days
The month with the highest number of rainy days is June (6.7 days).
The month with the least rainy days is January (1.1 days).
Average snowfall in January
Monona, WI
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Monona, WI
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Monona, WI
- Average daylight in January: 9h and 2min
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 6min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Monona, WI
- Average sunshine days in January: 26.7 days
The month with the most sunshine days is December (27 days).
The month with the least sunshine days is June (19.8 days).
Average UV index in January
Monona, WI
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Monona, 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 34).
Average visibility in January
Monona, WI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Monona, Wisconsin, USA
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