December weather forecast
Bryce Canyon National Park, UT

December is distinctly winter at Bryce Canyon National Park, with average low temperatures and significant snowfall of around 14.7" (373mm). The park, in a reminiscent picture of January, is covered in a soft white blanket of snow. Both sunrise and sunset form magical spectacles with shorter daylight hours, making it a unique time for photography. Despite the colder temperatures, many outdoor activities continue to remain accessible, offering a different perspective of the park. As December ends, Bryce Canyon circles back to another year of diverse and stunning weather patterns.

Temperature

December, having an average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 15.4°F (-9.2°C), is the coldest month in Bryce Canyon National Park.

Rainfall

In Bryce Canyon National Park, Utah, during December, the rain falls for 5.6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Bryce Canyon National Park, Utah, during the entire year, the rain falls for 75.6 days and collects up to 16.69" (424mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Bryce Canyon National Park, during December, snow falls for 5.4 days and regularly aggregates up to 14.69" (373mm) of snow. Throughout the year, there are 32 snowfall days, and 89.61" (2276mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December in Bryce Canyon National Park, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:20 pm MST.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year in Bryce Canyon National Park.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.