December weather forecastElroy, WI
December
Weather in December
December, the first month of the winter in Elroy, is still a freezing cold month, with temperature in the range of an average low of 17.8°F (-7.9°C) and an average high of 27.9°F (-2.3°C).Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a wintry 41.5°F (5.3°C) to a freezing cold 27.9°F (-2.3°C). In December, in Elroy, the average low-temperature is 17.8°F (-7.9°C).Humidity
In Elroy, the average relative humidity in December is 86%.Rainfall
In Elroy, Wisconsin, in December, during 4.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Elroy, during the entire year, the rain falls for 114.3 days and collects up to 16.1" (409mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Elroy. In December, in Elroy, it is snowing for 12 days. Throughout December, 2.48" (63mm) of snow is accumulated. In Elroy, Wisconsin, during the entire year, snow falls for 56 days and aggregates up to 12.13" (308mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December in Elroy, sunrise is at 7:15 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:34 pm CST.
Sunshine
In December, the average sunshine in Elroy, Wisconsin, 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. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Elroy, WI
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Elroy, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Elroy, WI
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Elroy, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Elroy, WI
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Elroy, WI
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Elroy, WI
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Elroy, WI
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Elroy, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Elroy, WI
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Elroy, 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, February, November and December (UV index 1).
Average cloud cover in December
Elroy, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Elroy, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).





