S
M
T
W
T
F
S
29
41°
23°
30
39°
21°
1
35°
23°
2
35°
11°
3
33°
18°
4
31°
25°
5
37°
26°
6
38°
25°
7
38°
22°
8
37°
21°
9
37°
21°
10
38°
20°
11
37°
19°
12
Hist. Avg.
28°
9°
13
Hist. Avg.
28°
9°
14
Hist. Avg.
28°
9°
15
Hist. Avg.
28°
9°
16
Hist. Avg.
28°
9°
17
Hist. Avg.
28°
8°
18
Hist. Avg.
28°
8°
19
Hist. Avg.
28°
8°
20
Hist. Avg.
28°
8°
21
Hist. Avg.
28°
8°
22
Hist. Avg.
28°
8°
23
Hist. Avg.
28°
8°
24
Hist. Avg.
28°
8°
25
Hist. Avg.
28°
8°
26
Hist. Avg.
28°
8°
27
Hist. Avg.
28°
8°
28
Hist. Avg.
28°
8°
29
Hist. Avg.
28°
8°
30
Hist. Avg.
28°
7°
31
Hist. Avg.
28°
7°
1
Hist. Avg.
28°
7°
2
Hist. Avg.
28°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Alpine
Alpine's December 2026 forecast shows daily high temperatures ranging from 31° to 41°, with overnight lows between 11° and 26°. The average high for December is 37° with an average low of 21°. 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 Alpine. See also: January | February | March.
