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