S
M
T
W
T
F
S
29
46°
28°
30
40°
21°
1
31°
15°
2
30°
16°
3
34°
27°
4
37°
27°
5
33°
26°
6
33°
20°
7
30°
18°
8
29°
22°
9
36°
22°
10
41°
25°
11
40°
25°
12
42°
24°
13
41°
25°
14
35°
22°
15
35°
22°
16
33°
20°
17
34°
13°
18
33°
11°
19
31°
6°
20
25°
6°
21
23°
18°
22
34°
19°
23
34°
11°
24
33°
6°
25
29°
20°
26
31°
20°
27
35°
19°
28
34°
18°
29
34°
15°
30
33°
12°
31
30°
3°
1
25°
3°
2
22°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Concord
Concord's December 2026 forecast shows daily high temperatures ranging from 22° to 46°, with overnight lows between 3° and 28°. The average high for December is 33° with an average low of 18°. 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 Concord. See also: January | February | March.
