December weather forecastWashington Island, WI
December
Weather in December
December in Washington Island, Wisconsin is truly a winter wonderland, dictated by the lowest temperatures of the year and the onset of significant snowfall. As temperatures plummet to average lows around 19.2°F (-7.1°C), outdoor winter activities become popular. Following November’s easing into winter, December ensures the full brunt of the cold season is felt. Despite the shorter days, the holiday season is in full swing, adding cheer to the cold, snowy weather. Cap heralding the year's end, it's a time of winter sports, holiday festivities and the beauty of a snow-clad landscape.Temperature
In Washington Island, the average high-temperature in December decreases from a cold 42.6°F (5.9°C) in November to a subzero cold 31.1°F (-0.5°C). Throughout December, Washington Island encounters an average temperature drop to 19.2°F (-7.1°C).Rainfall
In Washington Island, Wisconsin, during December, the rain falls for 8.2 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Washington Island, Wisconsin, during the entire year, the rain falls for 99.2 days and collects up to 28.43" (722mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. During December, Washington Island regularly aggregates up to 10.51" (267mm) of snow. In Washington Island, during the entire year, snow aggregates up to 47.36" (1203mm).Daylight
The month with the shortest days in Washington Island is December, with an average of 8h and 48min of daylight.On the first day of December in Washington Island, sunrise is at 7:07 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:14 pm CST.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Washington Island, WI
- Average high temperature in December: 31.1°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 (25.9°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is August (57.2°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average rainfall in December
Washington Island, WI
- Average rainfall in December: 1.5"
The wettest months (with the highest rainfall) are June, August and September (3.2").
The driest month (with the least rainfall) is February (0.9").
Average rainfall days in December
Washington Island, WI
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is September (9.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Washington Island, WI
- Average snowfall in December: 10.5"
The month with the highest snowfall is January (13.2").
The months with the least snowfall are June, July, August and September (0").
Average daylight in December
Washington Island, 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).





