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 onset of December entails a temperature shift, as the average high-temperature decreases from a wintry 37.6°F (3.1°C) in November to a subzero cold 24.1°F (-4.4°C). An average low-temperature of 14°F (-10°C) is observed in Colby during the December nights.Humidity
In December, the average relative humidity is 90%.Rainfall
In Colby, in December, during 3.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Colby, during the entire year, the rain falls for 102.5 days and collects up to 11.18" (284mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Colby. In Colby, during December, snow falls for 12.5 days and regularly aggregates up to 2.01" (51mm) of snow. In Colby, during the entire year, snow falls for 58.8 days and aggregates up to 10.83" (275mm) of snow.Daylight
The month with the shortest days in Colby is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December in Colby is 2.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Colby?
What is the average humidity in December in Colby?
How many days does it rain in December in Colby?
How many days does it snow in December in Colby?
What is the month with the shortest days in Colby?
How many hours of daylight does Colby have in December?
What time are sunrise and sunset in December in Colby?
How many hours of sunshine does Colby have in December?
When is the lowest UV index in Colby?
What is the UV index intensity in December in Colby?
Average temperature in December
Colby, WI
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (6.4°F).
Average pressure in December
Colby, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Colby, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Colby, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Colby, WI
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (1.61").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Colby, WI
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in December
Colby, WI
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colby, WI
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colby, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Colby, WI
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Colby, WI
- Average UV index in December: 1
The months with the highest UV index are 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
Colby, WI
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Colby, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Colby, Wisconsin, USA
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