S
M
T
W
T
F
S
29
64°
41°
30
65°
32°
1
50°
28°
2
49°
28°
3
55°
38°
4
59°
37°
5
53°
35°
6
52°
30°
7
49°
25°
8
46°
24°
9
47°
27°
10
49°
31°
11
53°
30°
12
60°
34°
13
54°
34°
14
51°
27°
15
51°
28°
16
49°
29°
17
48°
23°
18
45°
20°
19
44°
18°
20
42°
22°
21
48°
28°
22
54°
26°
23
45°
22°
24
45°
21°
25
46°
25°
26
48°
30°
27
48°
26°
28
47°
23°
29
46°
24°
30
46°
23°
31
47°
19°
1
43°
21°
2
45°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Geronimo
Geronimo's December 2026 forecast shows daily high temperatures ranging from 42° to 65°, with overnight lows between 18° and 41°. The average high for December is 50° with an average low of 27°. 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 Geronimo. See also: January | February | March.
