December weather forecastDunbar, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Dunbar, Wisconsin, with an average temperature ranging between max 26.1°F (-3.3°C) and min 17.2°F (-8.2°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's icy 38.3°F (3.5°C) to a freezing cold 26.1°F (-3.3°C). Dunbar reports an average low-temperature of 17.2°F (-8.2°C) during the subtly cooler December nights.Humidity
The average relative humidity in December is 87%.Rainfall
In Dunbar, during December, the rain falls for 6.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Dunbar, Wisconsin, there are 125.7 rainfall days, and 21.06" (535mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dunbar are January through May, October through December. In Dunbar, during December, snow falls for 15 days and regularly aggregates up to 7.48" (190mm) of snow. In Dunbar, during the entire year, snow falls for 86 days and aggregates up to 38.27" (972mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Dunbar, sunrise is at 7:13 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:18 pm CST.
Sunshine
The average sunshine in December is 3.3h.UV index
In Dunbar, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunbar, WI
- Average high temperature in December: 26.1°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 (20.8°F).
- Average low temperature in December: 17.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Dunbar, WI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Dunbar, WI
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Dunbar, WI
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Dunbar, WI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Dunbar, WI
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Dunbar, WI
- Average snowfall in December: 7.48"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dunbar, WI
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dunbar, WI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Dunbar, WI
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is January (11.9 days).
Average UV index in December
Dunbar, WI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Dunbar, WI
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Dunbar, WI
- Average visibility in December: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
