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
A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 46.2°F (7.9°C) in November to a cold 34.3°F (1.3°C). The temperature in Salt Lake City dips to an average of 22.3°F (-5.4°C) during December nights.Humidity
In December, the average relative humidity in Salt Lake City is 77%.Rainfall
In Salt Lake City, in December, it is raining for 6.3 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Salt Lake City, Utah, there are 71.6 rainfall days, and 4.21" (107mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Salt Lake City. In Salt Lake City, in December, snow falls for 5.1 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, in Salt Lake City, there are 25.8 snowfall days, and 10.39" (264mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Salt Lake City, sunrise is at 7:33 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:10 pm MST.
Sunshine
The average sunshine in December in Salt Lake City is 6.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Salt Lake City in December?
What is the average humidity in December in Salt Lake City?
How many days does it rain in December in Salt Lake City?
How many days does it snow in December in Salt Lake City?
What is the month with the shortest days in Salt Lake City?
What is the average length of the day in December in Salt Lake City?
When is the sunrise / sunset in December in Salt Lake City?
How many hours of sunshine does Salt Lake City have in December?
When is the lowest UV index in Salt Lake City?
What is the UV index reading in December in Salt Lake City?
Average temperature in December
Salt Lake City, UT
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Salt Lake City, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Salt Lake City, UT
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in December
Salt Lake City, UT
- Average humidity in December: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Salt Lake City, UT
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Salt Lake City, UT
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is April (8.9 days).
The month with the least rainy days is June (4 days).
Average snowfall in December
Salt Lake City, UT
- Average snowfall in December: 1.65"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Salt Lake City, UT
- Average snowfall days in December: 5.1 days
The months with the highest number of snowfall days are January and February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salt Lake City, UT
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Salt Lake City, UT
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is June (23.8 days).
The month with the least sunshine days is February (19 days).
Average UV index in December
Salt Lake City, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Salt Lake City, UT
- Average cloud cover in December: 37
The months with the most cloud cover are January and February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Salt Lake City, UT
- 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).
Salt Lake City, Utah, USA
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