S
M
T
W
T
F
S
29
42°
26°
30
40°
25°
1
30°
24°
2
32°
17°
3
32°
23°
4
35°
24°
5
34°
23°
6
31°
15°
7
25°
8°
8
24°
12°
9
27°
13°
10
34°
21°
11
35°
21°
12
37°
20°
13
33°
21°
14
24°
20°
15
33°
16°
16
33°
15°
17
30°
16°
18
31°
15°
19
29°
10°
20
27°
4°
21
24°
16°
22
29°
13°
23
31°
15°
24
29°
10°
25
31°
8°
26
25°
15°
27
26°
17°
28
32°
14°
29
30°
10°
30
28°
8°
31
26°
0°
1
27°
-3°
2
16°
2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fountain
Fountain's December 2026 forecast shows daily high temperatures ranging from 16° to 42°, with overnight lows between -3° and 26°. The average high for December is 30° with an average low of 15°. 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 Fountain. See also: January | February | March.
