Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December is characterized by a clear decrease in the average high-temperature, reducing from a cold 41.9°F (5.5°C) to a freezing cold 27.3°F (-2.6°C). An average minimum temperature of 17.1°F (-8.3°C) is recorded during the month of December.Humidity
The average relative humidity in December in West Salem is 87%.Rainfall
In West Salem, in December, it is raining for 6.1 days, with typically 1.54" (39mm) of accumulated precipitation. In West Salem, during the entire year, the rain falls for 133.6 days and collects up to 27.36" (695mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in West Salem, it is snowing for 12.2 days. Throughout December, 4.17" (106mm) of snow is accumulated. In West Salem, during the entire year, snow falls for 58 days and aggregates up to 22.56" (573mm) of snow.Daylight
December has the shortest days of the year in West Salem, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:36 pm CST.
Sunshine
In West Salem, the average sunshine in December is 3.5h.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 average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does West Salem have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index in West Salem?
What is the UV index intensity in December?
Average temperature in December
West Salem, WI
- Average high temperature in December: 27.3°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 (21.6°F).
- Average low temperature in December: 17.1°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 (8.2°F).
Average pressure in December
West Salem, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
West Salem, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
West Salem, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
West Salem, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
West Salem, WI
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
West Salem, WI
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Salem, WI
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Salem, 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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
West Salem, WI
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
West Salem, 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, February, November and December (UV index 1).
Average cloud cover in December
West Salem, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
West Salem, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
West Salem, Wisconsin, USA
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