S
M
T
W
T
F
S
29
32°
27°
30
40°
27°
1
40°
25°
2
39°
23°
3
31°
20°
4
31°
24°
5
32°
14°
6
25°
8°
7
24°
8°
8
31°
23°
9
37°
21°
10
35°
22°
11
35°
23°
12
34°
21°
13
35°
18°
14
27°
4°
15
20°
3°
16
21°
14°
17
31°
19°
18
34°
20°
19
36°
20°
20
34°
19°
21
34°
18°
22
35°
16°
23
26°
14°
24
32°
18°
25
22°
-1°
26
26°
0°
27
23°
1°
28
24°
13°
29
26°
16°
30
32°
15°
31
32°
16°
1
33°
15°
2
32°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Val-des-Sources
Val-des-Sources's December 2026 forecast shows daily high temperatures ranging from 20° to 40°, with overnight lows between -1° and 27°. The average high for December is 31° with an average low of 16°. 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 Val-des-Sources. See also: January | February | March.