S
M
T
W
T
F
S
29
41°
33°
30
43°
32°
1
42°
33°
2
42°
32°
3
40°
32°
4
42°
31°
5
41°
31°
6
39°
28°
7
30°
26°
8
31°
29°
9
34°
30°
10
39°
30°
11
39°
29°
12
38°
28°
13
38°
29°
14
30°
21°
15
29°
24°
16
33°
22°
17
34°
23°
18
33°
24°
19
34°
21°
20
34°
18°
21
30°
20°
22
30°
23°
23
32°
21°
24
32°
19°
25
31°
18°
26
29°
19°
27
31°
19°
28
28°
21°
29
31°
20°
30
31°
14°
31
30°
13°
1
30°
13°
2
21°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in St. Ignace
St. Ignace's December 2026 forecast shows daily high temperatures ranging from 21° to 43°, with overnight lows between 13° and 33°. The average high for December is 34° with an average low of 24°. 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. Ignace. See also: January | February | March.
