S
M
T
W
T
F
S
29
39°
28°
30
37°
31°
1
38°
33°
2
42°
33°
3
42°
32°
4
41°
32°
5
41°
31°
6
40°
26°
7
40°
27°
8
42°
28°
9
42°
29°
10
40°
27°
11
28°
19°
12
28°
26°
13
33°
29°
14
36°
30°
15
38°
29°
16
39°
30°
17
39°
26°
18
38°
21°
19
33°
21°
20
31°
23°
21
31°
20°
22
36°
14°
23
32°
16°
24
25°
25°
25
35°
29°
26
36°
27°
27
36°
27°
28
35°
21°
29
35°
17°
30
31°
17°
31
29°
16°
1
29°
12°
2
27°
16°
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 25° to 42°, with overnight lows between 12° 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.
