December weather forecastArches National Park, UT

December
Weather in December
December in Arches National Park brings about colder weather reminiscent of January. The dwindling temperature dips to an average high of 45°F (7.2°C) and snowfall of around 2.5" (64mm), signalling the return of winter. The decrease in daylight hours, settling at an average of 9.5 hours, restricts the exploration time. Though the rainfall is on the lower side, averaging 0.6" (15mm), combined with the low temperatures, it creates a particularly icy landscape. Moving forward into the new year, the cycle repeats, with a focus on sustenance and survival in the intense cold.Temperature
In Arches National Park, the beginning of December is marked by a lowered average high-temperature, shifting from November's refreshing 55.9°F (13.3°C) to a chilly 45°F (7.2°C). In December, Arches National Park experiences a significant drop from daily zeniths to an average nighttime temperature of 23°F (-5°C).Rainfall
In Arches National Park, Utah, during December, the rain falls for 3.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Arches National Park, Utah, during the entire year, the rain falls for 58.4 days and collects up to 8.74" (222mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 1.4 days and accumulates 2.52" (64mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Arches National Park, sunrise is at 7:18 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:07 pm MST.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arches National Park, UT
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is January (44°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (67°F).
The coldest month (with the lowest average low temperature) is January (22°F).
Average rainfall in December
Arches National Park, UT
- Average rainfall in December: 0.6"
The wettest month (with the highest rainfall) is October (1.2").
The driest month (with the least rainfall) is June (0.4").
Average rainfall days in December
Arches National Park, UT
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is August (6.6 days).
The month with the least rainy days is June (3.1 days).
Average snowfall in December
Arches National Park, UT
- Average snowfall in December: 2.5"
The month with the highest snowfall is December (2.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Arches National Park, UT
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is December (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December
Arches National Park, UT
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).





