S
M
T
W
T
F
S
29
45°
28°
30
46°
24°
1
40°
20°
2
34°
24°
3
35°
29°
4
41°
27°
5
40°
26°
6
37°
29°
7
41°
26°
8
42°
23°
9
38°
19°
10
33°
18°
11
29°
22°
12
33°
17°
13
35°
15°
14
33°
19°
15
29°
19°
16
31°
22°
17
35°
10°
18
35°
14°
19
24°
15°
20
26°
10°
21
30°
16°
22
24°
15°
23
26°
20°
24
30°
22°
25
34°
21°
26
29°
19°
27
32°
20°
28
Hist. Avg.
27°
13°
29
Hist. Avg.
27°
12°
30
Hist. Avg.
26°
12°
31
Hist. Avg.
26°
12°
1
Hist. Avg.
26°
11°
2
Hist. Avg.
26°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Sault Ste. Marie
Sault Ste. Marie's December 2026 forecast shows daily high temperatures ranging from 24° to 46°, with overnight lows between 10° and 29°. The average high for December is 34° with an average low of 20°. 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 Sault Ste. Marie. See also: January | February | March.
