S
M
T
W
T
F
S
29
48°
38°
30
51°
35°
1
48°
29°
2
42°
28°
3
36°
33°
4
43°
34°
5
41°
32°
6
42°
33°
7
40°
34°
8
44°
30°
9
44°
27°
10
39°
23°
11
32°
23°
12
31°
28°
13
35°
20°
14
36°
21°
15
30°
24°
16
31°
27°
17
34°
19°
18
37°
18°
19
30°
21°
20
27°
25°
21
34°
24°
22
35°
21°
23
29°
27°
24
32°
28°
25
36°
30°
26
39°
22°
27
33°
28°
28
Hist. Avg.
37°
25°
29
Hist. Avg.
37°
25°
30
Hist. Avg.
37°
24°
31
Hist. Avg.
37°
24°
1
Hist. Avg.
36°
23°
2
Hist. Avg.
35°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Toronto
Toronto's December 2026 forecast shows daily high temperatures ranging from 27° to 51°, with overnight lows between 18° and 38°. The average high for December is 37° with an average low of 27°. 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 Toronto. See also: January | February | March.
