S
M
T
W
T
F
S
29
39°
30°
30
41°
32°
1
41°
31°
2
42°
35°
3
44°
37°
4
45°
32°
5
43°
31°
6
42°
32°
7
41°
31°
8
41°
31°
9
45°
33°
10
39°
35°
11
Hist. Avg.
43°
33°
12
Hist. Avg.
43°
33°
13
Hist. Avg.
43°
33°
14
Hist. Avg.
43°
33°
15
Hist. Avg.
43°
33°
16
Hist. Avg.
43°
33°
17
Hist. Avg.
43°
33°
18
Hist. Avg.
43°
33°
19
Hist. Avg.
43°
33°
20
Hist. Avg.
43°
33°
21
Hist. Avg.
43°
33°
22
Hist. Avg.
43°
33°
23
Hist. Avg.
43°
33°
24
Hist. Avg.
43°
33°
25
Hist. Avg.
42°
33°
26
Hist. Avg.
42°
33°
27
Hist. Avg.
42°
32°
28
Hist. Avg.
42°
32°
29
Hist. Avg.
42°
32°
30
Hist. Avg.
42°
32°
31
Hist. Avg.
42°
32°
1
Hist. Avg.
42°
32°
2
Hist. Avg.
42°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Courtenay
Courtenay's December 2026 forecast shows daily high temperatures ranging from 39° to 45°, with overnight lows between 30° and 37°. The average high for December is 42° with an average low of 33°. 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 Courtenay. See also: January | February | March.