S
M
T
W
T
F
S
29
50°
34°
30
50°
33°
1
51°
30°
2
49°
28°
3
48°
30°
4
48°
25°
5
49°
26°
6
48°
27°
7
49°
27°
8
51°
36°
9
54°
38°
10
58°
32°
11
61°
25°
12
44°
22°
13
56°
33°
14
58°
35°
15
Hist. Avg.
47°
28°
16
Hist. Avg.
47°
28°
17
Hist. Avg.
47°
27°
18
Hist. Avg.
46°
27°
19
Hist. Avg.
46°
27°
20
Hist. Avg.
46°
27°
21
Hist. Avg.
46°
27°
22
Hist. Avg.
46°
26°
23
Hist. Avg.
45°
26°
24
Hist. Avg.
45°
26°
25
Hist. Avg.
45°
26°
26
Hist. Avg.
45°
26°
27
Hist. Avg.
45°
26°
28
Hist. Avg.
45°
26°
29
Hist. Avg.
44°
25°
30
Hist. Avg.
44°
25°
31
Hist. Avg.
44°
25°
1
Hist. Avg.
44°
25°
2
Hist. Avg.
44°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Mammoth Spring
Mammoth Spring's December 2026 forecast shows daily high temperatures ranging from 44° to 61°, with overnight lows between 22° and 38°. The average high for December is 52° with an average low of 30°. 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 Mammoth Spring. See also: January | February | March.
