December weather forecastFoster Junction, WI
December
Weather in December
December, the first month of the winter in Foster Junction, is also a subzero cold month, with an average temperature varying between 24.4°F (-4.2°C) and 16.3°F (-8.7°C).Temperature
The shift from November to December involves a decrease in the average high-temperature, from an icy 36.5°F (2.5°C) to a subzero cold 24.4°F (-4.2°C). During the December nights, Foster Junction's temperature maintains an average close to the daytime highs, settling at a still freezing cold 16.3°F (-8.7°C).Humidity
In Foster Junction, the average relative humidity in December is 89%.Rainfall
In Foster Junction, in December, it is raining for 4.2 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 120.3 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
Months with snowfall in Foster Junction are January through May, October through December. December is the month with the most snowfall. Snow falls for 23.6 days and accumulates 10.04" (255mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:26 pm CST.
Sunshine
In Foster Junction, the average sunshine in December is 2.4h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Foster Junction, WI
- Average high temperature in December: 24.4°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Foster Junction, WI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Foster Junction, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Foster Junction, WI
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Foster Junction, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in December
Foster Junction, WI
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in December
Foster Junction, WI
- Average snowfall in December: 10.04"
The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Foster Junction, WI
- Average snowfall days in December: 23.6 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Foster Junction, WI
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Foster Junction, WI
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
Foster Junction, 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, November and December (UV index 1).
Average cloud cover in December
Foster Junction, WI
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Foster Junction, WI
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
