S
M
T
W
T
F
S
29
31°
21°
30
32°
24°
1
37°
23°
2
36°
23°
3
37°
17°
4
36°
9°
5
33°
16°
6
31°
15°
7
32°
18°
8
31°
21°
9
34°
22°
10
33°
18°
11
35°
13°
12
24°
18°
13
36°
20°
14
38°
20°
15
36°
18°
16
Hist. Avg.
28°
12°
17
Hist. Avg.
28°
12°
18
Hist. Avg.
27°
12°
19
Hist. Avg.
27°
12°
20
Hist. Avg.
27°
11°
21
Hist. Avg.
26°
11°
22
Hist. Avg.
26°
11°
23
Hist. Avg.
26°
10°
24
Hist. Avg.
26°
10°
25
Hist. Avg.
26°
10°
26
Hist. Avg.
25°
10°
27
Hist. Avg.
25°
9°
28
Hist. Avg.
25°
9°
29
Hist. Avg.
25°
9°
30
Hist. Avg.
24°
9°
31
Hist. Avg.
24°
8°
1
Hist. Avg.
24°
8°
2
Hist. Avg.
24°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in St. Peter
St. Peter's December 2026 forecast shows daily high temperatures ranging from 24° to 38°, with overnight lows between 9° and 24°. The average high for December is 34° with an average low of 19°. 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. Peter. See also: January | February | March.
