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
January is the coldest month, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.8°F (-11.8°C).Humidity
January and February, with an average relative humidity of 89%, are the most humid months in Theresa.Rainfall
In Theresa, during January, the rain falls for 3.1 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Theresa, there are 124.2 rainfall days, and 20.43" (519mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Theresa. The month with the most snowfall is January, when snow falls for 13.4 days and typically aggregates up to 3.35" (85mm) of snow.Daylight
In January, the average length of the day in Theresa is 9h and 23min.On the first day of January, sunrise is at 7:26 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:03 pm CST.
Sunshine
January has the least sunshine of the year in Theresa, Wisconsin, with an average of 3h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Theresa. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during January translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Theresa?
How cold is January in Theresa?
What are the most humid months in Theresa?
What is the average humidity in January in Theresa?
How much does it rain in Theresa in January?
When does it snow the most in Theresa?
How many days does it snow in January in Theresa?
How many hours of daylight does Theresa have in January?
What time are sunrise and sunset in January in Theresa?
What is the month with the least sunshine in Theresa?
How many hours of sunshine does Theresa have in January?
What are the months with the lowest UV index in Theresa?
How high is the UV index in January in Theresa?
Average temperature in January
Theresa, WI
- Average high temperature in January: 22.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Theresa, WI
- Average pressure in January: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Theresa, WI
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in January
Theresa, WI
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Theresa, WI
- Average rainfall in January: 0.91"
The wettest months (with the highest rainfall) are May and June (2.6").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in January
Theresa, WI
- Average rainfall days in January: 3.1 days
The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in January
Theresa, WI
- Average snowfall in January: 3.35"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Theresa, WI
- Average snowfall days in January: 13.4 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Theresa, WI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Theresa, WI
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in January
Theresa, WI
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Theresa, WI
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Theresa, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Theresa, Wisconsin, USA
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