S
M
T
W
T
F
S
29
45°
30°
30
43°
30°
1
38°
29°
2
38°
29°
3
39°
28°
4
42°
29°
5
42°
27°
6
38°
27°
7
36°
28°
8
40°
28°
9
41°
27°
10
39°
26°
11
38°
19°
12
40°
22°
13
30°
24°
14
36°
23°
15
39°
18°
16
33°
14°
17
29°
15°
18
26°
15°
19
36°
11°
20
27°
15°
21
25°
21°
22
36°
21°
23
38°
20°
24
36°
23°
25
38°
19°
26
39°
16°
27
40°
17°
28
27°
14°
29
27°
16°
30
26°
18°
31
32°
18°
1
36°
19°
2
36°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Saint John West
Saint John West's December 2026 forecast shows daily high temperatures ranging from 25° to 45°, with overnight lows between 11° and 30°. The average high for December is 36° with an average low of 22°. 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 Saint John West. See also: January | February | March.
