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