December weather forecastClearfield, UT
December
Weather in December
December welcomes the triumphant return of winter in Clearfield, Utah, with temperatures dropping to their lowest annual values. The weather is distinctly colder compared to November, with intense snowfall taking place. The long, dark nights combined with snowy days make it a classic winter month. Despite the harsh weather, the city brightens up for the holiday season. To culminate, December is synonymous with twinkling holiday lights glowing brightly against a fresh blanket of snow.Temperature
In Clearfield, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 45.5°F (7.5°C) to a cold 34°F (1.1°C). In Clearfield, the December nights cool down to an average low of 23.5°F (-4.7°C).Humidity
In Clearfield, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. 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 Clearfield, in December, during 11.3 snowfall days, 8.78" (223mm) of snow is typically accumulated. In Clearfield, during the entire year, snow falls for 54.4 days and aggregates up to 44.84" (1139mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.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 in Clearfield. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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
Clearfield, 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).





