S
M
T
W
T
F
S
29
73°
52°
30
72°
46°
1
68°
39°
2
58°
37°
3
59°
39°
4
64°
48°
5
65°
43°
6
59°
39°
7
58°
40°
8
56°
37°
9
56°
35°
10
57°
36°
11
62°
38°
12
63°
42°
13
67°
47°
14
61°
38°
15
58°
36°
16
57°
42°
17
63°
37°
18
58°
33°
19
56°
32°
20
56°
34°
21
58°
37°
22
60°
35°
23
59°
33°
24
55°
34°
25
59°
34°
26
56°
35°
27
60°
40°
28
60°
36°
29
56°
33°
30
55°
35°
31
57°
32°
1
55°
33°
2
57°
45°
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 55° to 73°, with overnight lows between 32° and 52°. The average high for December is 60° with an average low of 38°. 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.
