S
M
T
W
T
F
S
29
33°
21°
30
32°
20°
1
33°
27°
2
38°
33°
3
40°
27°
4
38°
24°
5
35°
22°
6
35°
21°
7
36°
21°
8
35°
22°
9
35°
21°
10
37°
20°
11
35°
19°
12
33°
19°
13
35°
24°
14
39°
31°
15
39°
27°
16
41°
28°
17
33°
29°
18
38°
31°
19
39°
32°
20
39°
28°
21
38°
29°
22
38°
31°
23
39°
25°
24
39°
32°
25
37°
23°
26
39°
15°
27
34°
15°
28
24°
23°
29
29°
21°
30
33°
27°
31
32°
31°
1
37°
30°
2
39°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in St. Maries
St. Maries's December 2026 forecast shows daily high temperatures ranging from 24° to 41°, with overnight lows between 15° and 33°. The average high for December is 36° with an average low of 25°. 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. Maries. See also: January | February | March.
