December weather forecastTrempealeau, WI
December
Weather in December
December, the first month of the winter in Trempealeau, is still a freezing cold month, with an average temperature varying between 27.3°F (-2.6°C) and 16.7°F (-8.5°C).Temperature
December signals a considerable drop in Trempealeau's average high-temperature, reducing from an icy 41.9°F (5.5°C) in November to a freezing cold 27.3°F (-2.6°C). An average minimum temperature of 16.7°F (-8.5°C) is recorded during the month of 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. Throughout the year, there are 137 rainfall days, and 27.01" (686mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Trempealeau, in December, snow falls for 13.5 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, there are 63.2 snowfall days, and 23.66" (601mm) of snow is accumulated.Daylight
The month with the shortest days is December, 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, sunrise is at 7:40 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December 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. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 30min
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).
