December weather forecastLymantown, WI
December
Weather in December
December, the first month of the winter in Lymantown, is still a freezing cold month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 13.5°F (-10.3°C).Temperature
The shift to December brings a decrease in the average high-temperature, falling from a wintry 36°F (2.2°C) in November to a freezing cold 23.2°F (-4.9°C). Throughout the month of December, Lymantown observes an average nighttime temperature of 13.5°F (-10.3°C).Humidity
In Lymantown, the average relative humidity in December is 91%.Rainfall
In Lymantown, in December, during 4.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Lymantown, during the entire year, the rain falls for 118.6 days and collects up to 21.85" (555mm) of precipitation.Snowfall
Months with snowfall in Lymantown are January through May, October through December. The month with the most snowfall in Lymantown is December, when snow falls for 19.5 days and typically aggregates up to 7.56" (192mm) of snow.Daylight
The month with the shortest days in Lymantown is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:18 pm. On the last day of December, in Lymantown, sunrise is at 7:43 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December in Lymantown is 2.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lymantown, WI
- Average high temperature in December: 23.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in December: 13.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in December
Lymantown, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Lymantown, WI
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are April and November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Lymantown, WI
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Lymantown, WI
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Lymantown, WI
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in December
Lymantown, WI
- Average snowfall in December: 7.56"
The month with the highest snowfall is December (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lymantown, WI
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lymantown, WI
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Lymantown, WI
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is August (14.9 days).
The month with the least sunshine days is April (9.7 days).
Average UV index in December
Lymantown, 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, March, November and December (UV index 1).
Average cloud cover in December
Lymantown, WI
- Average cloud cover in December: 79
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Lymantown, WI
- Average visibility in December: 4mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





