December weather forecastSalmo, WI
December
Weather in December
December, the first month of the winter in Salmo, is also a subzero cold month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 18°F (-7.8°C).Temperature
In the transition to December, Salmo observes a drop in the average high-temperature, moving from an icy 37.6°F (3.1°C) in November to a subzero cold 25.3°F (-3.7°C). Salmo registers an average low-temperature of 18°F (-7.8°C) throughout December, a modest decrease from its daytime highs.Humidity
In Salmo, the average relative humidity in December is 87%.Rainfall
In Salmo, in December, during 5.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 20.4 days. Throughout December, 6.81" (173mm) of snow is accumulated. In Salmo, during the entire year, snow falls for 95.5 days and aggregates up to 33.54" (852mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:25 pm CST.
Sunshine
In December, the average sunshine is 2.6h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Salmo, WI
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Salmo, WI
- Average pressure in December: 30.07"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
Salmo, WI
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Salmo, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Salmo, WI
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in December
Salmo, WI
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Salmo, WI
- Average snowfall in December: 6.81"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Salmo, WI
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salmo, WI
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Salmo, WI
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in December
Salmo, 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, November and December (UV index 1).
Average cloud cover in December
Salmo, WI
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Salmo, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





