December weather forecastCross Plains, WI
December
Weather in December
December, the first month of the winter in Cross Plains, is still a freezing cold month, with an average temperature fluctuating between 30°F (-1.1°C) and 19.6°F (-6.9°C).Temperature
In December, the average high-temperature decreases from an icy 42.4°F (5.8°C) in November to a subzero cold 30°F (-1.1°C). An average low-temperature of 19.6°F (-6.9°C) is anticipated throughout the nights during December.Humidity
The average relative humidity in December in Cross Plains is 84%.Rainfall
In Cross Plains, in December, during 6.7 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 142.2 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Cross Plains, in December, snow falls for 11.7 days, with typically accumulated 3.15" (80mm) of snow. In Cross Plains, during the entire year, snow falls for 57.5 days and aggregates up to 20.79" (528mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December in Cross Plains is 3.8h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cross Plains, WI
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 19.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Cross Plains, 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 (29.91"Hg).
Average wind speed in December
Cross Plains, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Cross Plains, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Cross Plains, WI
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Cross Plains, WI
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Cross Plains, WI
- Average snowfall in December: 3.15"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cross Plains, WI
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cross Plains, WI
- Average daylight in December: 9h and 6min
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: 3h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Cross Plains, WI
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Cross Plains, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Cross Plains, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Cross Plains, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
