December weather forecastClinton, UT
December
Weather in December
December rounds off the year in Clinton, Utah as the city welcomes a fresh bout of winter. The temperature keeps a low profile with an average high of just 34°F (1.1°C), making it one of the coldest months of the year. The city is enveloped in a winter wonderland with an augmented snowfall of 8.78" (223mm) spread across 11.3 snowfall days. The transition from December into the new year maintains this winter trend, setting the stage for another year of weather patterns in Clinton, Utah.Temperature
December brings a decrease in the average high-temperature, falling from November's frosty 45.5°F (7.5°C) to a cold 34°F (1.1°C). An average low-temperature of 23.5°F (-4.7°C) marks the month of December.Humidity
In Clinton, the average relative humidity in December is 77%.Rainfall
In Clinton, during December, the rain falls for 7.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 98.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 11.3 days. Throughout December, 8.78" (223mm) of snow is accumulated. In Clinton, during the entire year, snow falls for 54.4 days and aggregates up to 44.84" (1139mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:34 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:09 pm MST.
Sunshine
In December, the average sunshine is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clinton, UT
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Clinton, UT
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Clinton, UT
- Average wind speed in December: 5.7mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in December
Clinton, 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 (38%).
Average rainfall in December
Clinton, UT
- Average rainfall in December: 1.5"
The wettest months (with the highest rainfall) are January and February (1.61").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in December
Clinton, UT
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Clinton, UT
- Average snowfall in December: 8.78"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Clinton, UT
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Clinton, UT
- Average daylight in December: 9h and 18min
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 6min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Clinton, UT
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Clinton, UT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Clinton, UT
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Clinton, 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).





