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 corresponds with a shift in the average high-temperature, moving from an icy 39°F (3.9°C) in November to a freezing cold 25°F (-3.9°C). Chili experiences an average temperature drop to 15.3°F (-9.3°C) during December nights.Humidity
The average relative humidity in December is 89%.Rainfall
In Chili, in December, it is raining for 6.5 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 138.3 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Chili, during December, snow falls for 15.6 days and regularly aggregates up to 6.69" (170mm) of snow. In Chili, Wisconsin, during the entire year, snow falls for 79.6 days and aggregates up to 31.1" (790mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:31 pm CST.
Sunshine
The average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, 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 unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Chili in December?
What is the average humidity in December?
How many days 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 are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December in Chili?
Average temperature in December
Chili, WI
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in December: 15.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Chili, 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
Chili, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Chili, WI
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Chili, WI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Chili, WI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Chili, WI
- Average snowfall in December: 6.69"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Chili, WI
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chili, 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 54min).
- Average sunshine in December: 3h and 1min
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
Chili, WI
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Chili, 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, November and December (UV index 1).
Average cloud cover in December
Chili, WI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Chili, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Chili, Wisconsin, USA
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