December weather forecast
Dinosaur National Monument, UT

December signifies the full onset of winter at Dinosaur National Monument, Utah, with the landscape engulfed by the hush of snow. A high temperature of 34.2°F (1.2°C) showcases the dominance of winter, while snowfall reaches its peak at 8.3" (211mm). Small rainfall of 0.6" (15mm) barely leaves a mark amidst the snowy landscape. With daylight at its lowest at 9.3 hours, the short days and long nights of this winter month paint a tranquil and frosty picture.

Temperature

A shift in the average high-temperature occurs in December, reducing from a chilly 45.7°F (7.6°C) in November to an icy 34.2°F (1.2°C). Dinosaur National Monument records an average temperature drop to a frigid cold 12.7°F (-10.7°C) in December.

Rainfall

During December, Dinosaur National Monument regularly aggregates up to 0.63" (16mm) of precipitation. During the entire year, Dinosaur National Monument aggregates up to 11.61" (295mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. Throughout December, 8.31" (211mm) of snow is accumulated. In Dinosaur National Monument, during the entire year, snow aggregates up to 40.91" (1039mm).

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Dinosaur National Monument, sunrise is at 7:20 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:59 pm MST.