December weather forecastMonroe, WI
December
Weather in December
December, the first month of the winter in Monroe, is also a subzero cold month, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21.2°F (-6°C).Temperature
As November transitions to December, the average high-temperature falls from a chilly 43.7°F (6.5°C) to a subzero cold 31.3°F (-0.4°C). Throughout December, an average low-temperature of 21.2°F (-6°C) is expected.Humidity
The average relative humidity in December in Monroe is 83%.Rainfall
In Monroe, in December, during 7.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Monroe, during the entire year, the rain falls for 154.8 days and collects up to 31.18" (792mm) of precipitation.Snowfall
Months with snowfall in Monroe, Wisconsin, are January through April, October through December. In Monroe, in December, during 12.5 snowfall days, 4.09" (104mm) of snow is typically accumulated. In Monroe, Wisconsin, during the entire year, snow falls for 59.7 days and aggregates up to 24.09" (612mm) of snow.Daylight
December has the shortest days of the year in Monroe, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:35 pm CST.
Sunshine
In Monroe, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Monroe are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monroe, WI
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Monroe, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Monroe, WI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Monroe, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Monroe, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Monroe, WI
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Monroe, WI
- Average snowfall in December: 4.09"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Monroe, WI
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monroe, 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 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in December
Monroe, WI
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Monroe, 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
Monroe, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Monroe, 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).
