S
M
T
W
T
F
S
29
44°
33°
30
46°
35°
1
45°
34°
2
45°
35°
3
46°
33°
4
45°
32°
5
45°
31°
6
44°
33°
7
45°
31°
8
43°
30°
9
35°
30°
10
39°
29°
11
40°
30°
12
40°
29°
13
41°
24°
14
40°
19°
15
35°
13°
16
28°
12°
17
25°
17°
18
27°
22°
19
31°
25°
20
38°
23°
21
35°
15°
22
32°
18°
23
32°
7°
24
30°
8°
25
24°
22°
26
34°
16°
27
33°
14°
28
25°
16°
29
26°
14°
30
25°
8°
31
25°
22°
1
35°
23°
2
37°
16°
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 24° to 46°, with overnight lows between 7° and 35°. The average high for December is 36° with an average low of 23°. 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.
