S
M
T
W
T
F
S
29
54°
26°
30
54°
18°
1
51°
16°
2
52°
24°
3
57°
24°
4
53°
21°
5
51°
18°
6
51°
20°
7
50°
13°
8
49°
17°
9
51°
23°
10
55°
23°
11
58°
22°
12
59°
23°
13
57°
23°
14
55°
15°
15
52°
14°
16
54°
14°
17
49°
13°
18
50°
10°
19
49°
11°
20
52°
12°
21
56°
16°
22
52°
11°
23
51°
13°
24
55°
11°
25
53°
14°
26
56°
17°
27
62°
16°
28
51°
14°
29
52°
17°
30
57°
12°
31
55°
14°
1
56°
16°
2
62°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Reserve
Reserve's December 2026 forecast shows daily high temperatures ranging from 49° to 62°, with overnight lows between 10° and 26°. The average high for December is 54° with an average low of 17°. 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 Reserve. See also: January | February | March.
