S
M
T
W
T
F
S
29
38°
31°
30
41°
28°
1
41°
30°
2
39°
31°
3
42°
25°
4
38°
23°
5
34°
30°
6
38°
31°
7
39°
32°
8
41°
34°
9
35°
21°
10
40°
34°
11
Hist. Avg.
N/A
12
Hist. Avg.
N/A
13
Hist. Avg.
N/A
14
Hist. Avg.
N/A
15
Hist. Avg.
N/A
16
Hist. Avg.
N/A
17
Hist. Avg.
N/A
18
Hist. Avg.
N/A
19
Hist. Avg.
N/A
20
Hist. Avg.
N/A
21
Hist. Avg.
N/A
22
Hist. Avg.
N/A
23
Hist. Avg.
N/A
24
Hist. Avg.
N/A
25
Hist. Avg.
N/A
26
Hist. Avg.
N/A
27
Hist. Avg.
N/A
28
Hist. Avg.
N/A
29
Hist. Avg.
N/A
30
Hist. Avg.
N/A
31
Hist. Avg.
N/A
1
Hist. Avg.
N/A
2
Hist. Avg.
N/A
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in St. James
St. James's December 2026 forecast shows daily high temperatures ranging from 34° to 42°, with overnight lows between 21° and 34°. The average high for December is 39° with an average low of 29°. 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. James. See also: January | February | March.
