S
M
T
W
T
F
S
29
46°
33°
30
43°
32°
1
39°
32°
2
38°
31°
3
39°
33°
4
42°
32°
5
42°
31°
6
38°
31°
7
37°
30°
8
40°
32°
9
42°
31°
10
40°
29°
11
40°
23°
12
42°
25°
13
32°
28°
14
37°
26°
15
40°
20°
16
35°
17°
17
29°
19°
18
28°
19°
19
38°
13°
20
29°
17°
21
26°
25°
22
36°
25°
23
39°
24°
24
37°
27°
25
39°
22°
26
40°
20°
27
40°
20°
28
29°
17°
29
28°
20°
30
27°
23°
31
34°
22°
1
37°
24°
2
37°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in St. Stephen
St. Stephen's December 2026 forecast shows daily high temperatures ranging from 26° to 46°, with overnight lows between 13° and 33°. The average high for December is 37° with an average low of 25°. 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. Stephen. See also: January | February | March.
