December weather forecastProvo, UT

December
Weather in December
As the year draws to a close, Provo, Utah welcomes winter again in December. The city experiences its second coldest month after January, marked by freezing temperatures and frequent snowfall. This month brings an impressive 8.27" (210mm) of snow over 12.5 days, setting December's unmistakable wintry atmosphere. Despite the cold and snow, the city's holiday festivities bring warmth and cheer, offering a memorable end to the year.Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 45°F (7.2°C) in November to an icy 32.4°F (0.2°C). Throughout the month of December, Provo expects an average low of 17.4°F (-8.1°C).Humidity
In Provo, the average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall. Rain falls for 10.6 days and accumulates 1.73" (44mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall are January and December, with an average 8.27" (210mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:10 pm MST.
Sunshine
In December, the average sunshine is 5.9h.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 hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Provo, UT
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 17.4°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Provo, UT
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Provo, UT
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Provo, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are June and July (40%).
Average rainfall in December
Provo, UT
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Provo, UT
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are March and April (12.3 days).
The month with the least rainy days is June (5.8 days).
Average snowfall in December
Provo, UT
- Average snowfall in December: 8.27"
The months with the highest snowfall are January and December (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Provo, UT
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Provo, UT
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Provo, UT
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in December
Provo, UT
- Average UV index in December: 2
The month with the highest UV index is 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
Provo, UT
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Provo, UT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





