S
M
T
W
T
F
S
29
38°
20°
30
37°
19°
1
35°
19°
2
33°
18°
3
35°
19°
4
35°
18°
5
34°
18°
6
29°
17°
7
30°
18°
8
32°
18°
9
36°
17°
10
35°
18°
11
22°
14°
12
26°
12°
13
30°
15°
14
31°
16°
15
35°
16°
16
38°
18°
17
34°
15°
18
36°
14°
19
33°
9°
20
30°
10°
21
26°
11°
22
26°
0°
23
24°
0°
24
18°
4°
25
26°
8°
26
23°
9°
27
23°
-1°
28
22°
-3°
29
19°
-1°
30
21°
2°
31
24°
-7°
1
21°
-6°
2
16°
-2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sundre
Sundre's December 2026 forecast shows daily high temperatures ranging from 16° to 38°, with overnight lows between -7° and 20°. The average high for December is 29° with an average low of 11°. 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 Sundre. See also: January | February | March.
