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

The transition into December involves a decrease in the average high-temperature, falling from a frosty 45.7°F (7.6°C) in November to a cold 34.2°F (1.2°C). In the month of December, the nighttime temperature dips to a steady average of 12.7°F (-10.7°C).

Rainfall

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

Snowfall

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

Daylight

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