St. George December Weather

Averages and records for weather in St. George, Utah in the month of December.
Typical St. George December Weather
1991–2020
Average daily high 53.8 °F
Average daily low 30.1 °F
Average monthly precipitation 0.8 inches
Average monthly snow 0.0 inches
Daily chance of precipitation 14.9%
Daily chance of snow 0.23%
St. George December Weather Records
1893–2024
Highest temperature 75 °F December 23, 1955
Lowest temperature -4 °F December 27, 1909
Highest daily low 56 °F December 24, 1955
Lowest daily high 26 °F December 13, 1932
Hottest average high temperature 61.3 °F 1995
Coldest average high temperature 40.6 °F 1909
Most daily precipitation 1.9 inches December 1, 2007
Most monthly precipitation 3.4 inches 2010
Most daily snow 7.0 inches December 11, 1945
Most monthly snow 9.5 inches 1967
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 58.4 32.6 70 7
December 2 58.0 32.4 69 10
December 3 57.6 32.1 75 13
December 4 57.1 31.9 70 8
December 5 56.7 31.6 73 12
December 6 56.4 31.4 71 15
December 7 56.1 31.1 70 11
December 8 55.7 31.0 67 12
December 9 55.4 30.8 70 11
December 10 55.1 30.8 70 9
December 11 54.8 30.6 69 8
December 12 54.5 30.5 70 3
December 13 54.3 30.3 69 5
December 14 54.1 30.2 66 5
December 15 53.9 30.1 68 4
December 16 53.7 30.0 68 3
December 17 53.6 29.9 68 8
December 18 53.4 29.8 65 5
December 19 53.3 29.8 66 3
December 20 53.2 29.7 66 2
December 21 53.0 29.6 67 4
December 22 52.9 29.5 67 5
December 23 52.8 29.4 75 3
December 24 52.7 29.4 69 4
December 25 52.6 29.3 67 -4
December 26 52.6 29.4 70 -4
December 27 52.7 29.4 69 -4
December 28 52.7 29.4 68 0
December 29 52.7 29.4 68 0
December 30 52.7 29.4 68 1
December 31 52.8 29.4 70 1
Weather Station Details
Years Station Coordinates
1893–2024 St. George location