Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December involves a temperature drop, moving from a cold 42.1°F (5.6°C) in November to a subzero cold 29.3°F (-1.5°C). An average nighttime temperature of 19.2°F (-7.1°C) is observed during December.Humidity
In December, the average relative humidity in Theresa is 85%.Rainfall
The months with the least rainfall are February and December Rain falls for 4.2 days and accumulates 0.83" (21mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Theresa, in December, during 12.1 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, there are 54.7 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Theresa, Wisconsin.On the first day of December, sunrise is at 7:07 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:27 pm CST.
Sunshine
The average sunshine in December in Theresa is 3.5h.UV index
January, 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 low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Theresa?
What is the average humidity in December in Theresa?
What is the driest month in Theresa?
How many days does it rain in December in Theresa?
How many days does it snow in December in Theresa?
What is the month with the shortest days in Theresa?
What is the average length of the day in December in Theresa?
When are sunrise and sunset in December in Theresa?
How many hours of sunshine does Theresa have in December?
What are the months with the lowest UV index in Theresa?
What is the UV index reading in December in Theresa?
Average temperature in December
Theresa, WI
- Average high temperature in December: 29.3°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 December: 19.2°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 December
Theresa, WI
- Average pressure in December: 30.08"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 December
Theresa, WI
- Average wind speed in December: 9.6mph
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 December
Theresa, WI
- Average humidity in December: 85%
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 December
Theresa, WI
- Average rainfall in December: 0.83"
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 December
Theresa, WI
- Average rainfall days in December: 4.2 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 December
Theresa, WI
- Average snowfall in December: 2.2"
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 December
Theresa, WI
- Average snowfall days in December: 12.1 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 December /
Average sunshine in December
Theresa, WI
- Average daylight in December: 9h and 0min
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 December: 3h and 3min
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 December
Theresa, WI
- Average sunshine days in December: 16 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 December
Theresa, WI
- Average UV index in December: 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 December
Theresa, WI
- Average cloud cover in December: 65
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 December
Theresa, WI
- Average visibility in December: 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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