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