S
M
T
W
T
F
S
29
42°
28°
30
42°
27°
1
40°
26°
2
36°
26°
3
38°
27°
4
40°
27°
5
42°
24°
6
38°
23°
7
31°
23°
8
35°
17°
9
25°
16°
10
29°
16°
11
33°
20°
12
33°
21°
13
32°
21°
14
35°
20°
15
33°
21°
16
33°
20°
17
34°
19°
18
32°
19°
19
31°
18°
20
32°
17°
21
23°
13°
22
27°
2°
23
32°
-1°
24
23°
0°
25
17°
0°
26
16°
1°
27
18°
0°
28
23°
-4°
29
18°
14°
30
23°
0°
31
33°
1°
1
16°
1°
2
18°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Carleton Place
Carleton Place's December 2026 forecast shows daily high temperatures ranging from 16° to 42°, with overnight lows between -4° and 28°. The average high for December is 30° with an average low of 14°. 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 Carleton Place. See also: January | February | March.
