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