S
M
T
W
T
F
S
29
24°
14°
30
25°
13°
1
23°
20°
2
25°
19°
3
25°
15°
4
29°
11°
5
24°
8°
6
20°
9°
7
20°
17°
8
23°
23°
9
37°
21°
10
38°
15°
11
30°
13°
12
22°
13°
13
20°
16°
14
21°
18°
15
24°
15°
16
28°
12°
17
23°
10°
18
23°
12°
19
24°
6°
20
18°
11°
21
17°
16°
22
27°
9°
23
29°
5°
24
17°
17°
25
27°
14°
26
28°
6°
27
29°
0°
28
15°
-1°
29
18°
-4°
30
14°
12°
31
25°
7°
1
29°
2°
2
26°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Edmundston
Edmundston's December 2026 forecast shows daily high temperatures ranging from 14° to 38°, with overnight lows between -4° and 23°. The average high for December is 24° with an average low of 12°. 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 Edmundston. See also: January | February | March.
