December weather forecastMount Calvary, WI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Mount Calvary, Wisconsin, with an average temperature varying between 29.3°F (-1.5°C) and 19.9°F (-6.7°C).Temperature
As November transitions into December, Mount Calvary sees a drop in the average high-temperature, transitioning from a cold 41.9°F (5.5°C) to a subzero cold 29.3°F (-1.5°C). The average low-temperature of 19.9°F (-6.7°C) is witnessed during December.Humidity
In Mount Calvary, the average relative humidity in December is 85%.Rainfall
In Mount Calvary, Wisconsin, during December, the rain falls for 5.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Mount Calvary, Wisconsin, during the entire year, the rain falls for 132.7 days and collects up to 25.08" (637mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.9 days. Throughout December, 3.7" (94mm) of snow is accumulated. In Mount Calvary, during the entire year, snow falls for 59.6 days and aggregates up to 18.94" (481mm) of snow.Daylight
The month with the shortest days in Mount Calvary is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:25 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mount Calvary. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Calvary, WI
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 19.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Mount Calvary, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Mount Calvary, WI
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Mount Calvary, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Mount Calvary, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Mount Calvary, WI
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Mount Calvary, WI
- Average snowfall in December: 3.7"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Calvary, WI
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Calvary, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Mount Calvary, WI
- Average sunshine days in December: 15 days
The months with the most sunshine days are September and November (16.3 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Mount Calvary, 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, February, November and December (UV index 1).
Average cloud cover in December
Mount Calvary, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Mount Calvary, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
