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
December's onset is marked by a clear temperature decrease, falling from a wintry 41.9°F (5.5°C) in November to a subzero cold 27.3°F (-2.6°C). An average low-temperature of 16.7°F (-8.5°C) is anticipated throughout the nights during December.Humidity
The average relative humidity in December is 87%.Rainfall
In Trempealeau, in December, during 5.7 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Trempealeau, during the entire year, the rain falls for 137 days and collects up to 27.01" (686mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Trempealeau, in December, snow falls for 13.5 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, in Trempealeau, Wisconsin, there are 63.2 snowfall days, and 23.66" (601mm) of snow is accumulated.Daylight
December has the shortest days of the year in Trempealeau, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:28 pm. On the last day of December, in Trempealeau, sunrise is at 7:40 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Trempealeau, Wisconsin, is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Trempealeau, Wisconsin. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Trempealeau in December?
What is the average humidity in December in Trempealeau?
How much does it rain in Trempealeau in December?
How much does it snow in Trempealeau in December?
What is the month with the shortest days in Trempealeau?
What is the average length of the day in December in Trempealeau?
What time are sunrise and sunset in December in Trempealeau?
How many hours of sunshine does Trempealeau have in December?
What are the months with the lowest UV index in Trempealeau?
How high is the UV index in December in Trempealeau?
Average temperature in December
Trempealeau, WI
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Trempealeau, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Trempealeau, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Trempealeau, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Trempealeau, WI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Trempealeau, WI
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Trempealeau, WI
- Average snowfall in December: 4.88"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Trempealeau, WI
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Trempealeau, 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 12min).
Average sunshine days in December
Trempealeau, WI
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
Trempealeau, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Trempealeau, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Trempealeau, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Trempealeau, Wisconsin, USA
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