As of 07:24 MDT

St. George, UT weather in December

84°

St. George, Sunday, 9 August, 07:24

Mostly clear. Feels like 82°. High 109°, low 83°.

Pressure29.91 inHg

Wind1.8 mph E

Humidity36%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

In December, St. George, UT averages a high of 50.7° and a low of 33.1°. About 1.1 inches of precipitation fall over the month (5 wet days). The record high is 72.7° (2017) and the record low 3.6° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	54.5°	35.6°	12%	66.9° (1995)	22.1° (1975)
2	54.7°	36°	12%	66.4° (2017)	19.6° (1967)
3	54.9°	36°	10%	72.7° (2017)	21.6° (2006)
4	54.7°	35.2°	18%	66° (1979)	21.9° (2006)
5	54°	36°	15%	67.3° (1977)	14.2° (2013)
6	53.8°	36.1°	13%	66.6° (2023)	16.5° (2013)
7	53.2°	36.9°	23%	64.4° (2023)	21.4° (1978)
8	52.2°	34.7°	20%	66.6° (1962)	14.9° (1978)
9	51.8°	33.1°	7%	65.5° (1979)	8.8° (2009)
10	52.2°	33.4°	10%	65.3° (2025)	4.1° (1972)
11	52.2°	34.3°	8%	63.3° (2025)	12° (1972)
12	51.8°	33.4°	18%	65.7° (1995)	6.6° (1972)
13	51.1°	34.2°	17%	65.5° (1988)	16.3° (1967)
14	50.7°	32.7°	17%	63.5° (2025)	11.3° (1972)
15	50.5°	32.9°	18%	62.6° (1977)	11.7° (1972)
16	50.7°	32.5°	17%	65.8° (1980)	16.9° (1971)
17	50.4°	31.6°	17%	66.6° (1980)	13.8° (1984)
18	50°	32.7°	18%	63.9° (1979)	11.1° (1967)
19	49.6°	32.9°	18%	63° (2024)	18.9° (1965)
20	49.6°	32.5°	15%	67.1° (2023)	16.2° (2008)
21	49.5°	32°	17%	63.9° (2005)	6.3° (1967)
22	48°	31.8°	20%	66.2° (2025)	6.8° (1967)
23	48.6°	32.2°	18%	66.2° (2025)	3.6° (1990)
24	48.6°	30.9°	10%	68.2° (2025)	4.8° (1990)
25	49.1°	31.5°	23%	64.4° (2025)	12.2° (1970)
26	48.2°	30.9°	20%	68.5° (1980)	13.5° (1987)
27	48.2°	31.3°	10%	67.8° (1980)	8.2° (1988)
28	47.5°	31.8°	23%	67.3° (1980)	16.5° (1962)
29	47.1°	31.3°	20%	67.8° (1980)	13.6° (1988)
30	47.7°	30.7°	23%	64° (2024)	9.5° (1990)
31	46.9°	30.4°	20%	63.9° (1980)	11.7° (2010)