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
During Caledonia's transition into December, the average high-temperature lessens, moving from a frosty 44.4°F (6.9°C) in November to a wintry 34°F (1.1°C). An average temperature of 26.1°F (-3.3°C) is logged during the nights of December, a small step down from daytime highs.Humidity
The average relative humidity in December is 80%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.4 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Caledonia, during December, snow falls for 7.5 days and regularly aggregates up to 0.47" (12mm) of snow. In Caledonia, during the entire year, snow falls for 39.5 days and aggregates up to 3.98" (101mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:27 pm CST.
Sunshine
In Caledonia, the average sunshine in December is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. 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: A daily high UV index of 1 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Caledonia?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Caledonia, WI
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is August (66°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Caledonia, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Caledonia, WI
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Caledonia, WI
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Caledonia, WI
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in December
Caledonia, WI
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Caledonia, WI
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Caledonia, WI
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Caledonia, WI
- Average daylight in December: 9h and 1min
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 December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Caledonia, WI
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Caledonia, WI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Caledonia, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Caledonia, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Caledonia, Wisconsin, USA
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