S
M
T
W
T
F
S
29
54°
28°
30
53°
25°
1
51°
22°
2
51°
22°
3
52°
24°
4
52°
24°
5
54°
25°
6
53°
24°
7
50°
20°
8
49°
23°
9
50°
27°
10
52°
28°
11
53°
28°
12
56°
27°
13
55°
29°
14
57°
27°
15
55°
30°
16
58°
30°
17
57°
32°
18
55°
34°
19
54°
33°
20
52°
34°
21
53°
33°
22
52°
28°
23
49°
32°
24
50°
36°
25
49°
31°
26
52°
30°
27
56°
33°
28
53°
25°
29
50°
23°
30
48°
28°
31
Hist. Avg.
52°
27°
1
Hist. Avg.
52°
28°
2
Hist. Avg.
52°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in St. George
St. George's December 2026 forecast shows daily high temperatures ranging from 48° to 58°, with overnight lows between 20° and 36°. The average high for December is 53° with an average low of 28°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in St. George. See also: January | February | March.
