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