S
M
T
W
T
F
S
29
28°
18°
30
27°
9°
1
31°
13°
2
37°
24°
3
35°
23°
4
35°
24°
5
34°
23°
6
36°
15°
7
31°
14°
8
29°
13°
9
28°
19°
10
32°
12°
11
33°
11°
12
34°
7°
13
36°
10°
14
35°
16°
15
34°
16°
16
33°
16°
17
32°
12°
18
34°
16°
19
Hist. Avg.
29°
14°
20
Hist. Avg.
29°
14°
21
Hist. Avg.
29°
14°
22
Hist. Avg.
29°
14°
23
Hist. Avg.
28°
14°
24
Hist. Avg.
28°
14°
25
Hist. Avg.
28°
14°
26
Hist. Avg.
28°
14°
27
Hist. Avg.
28°
14°
28
Hist. Avg.
28°
14°
29
Hist. Avg.
28°
14°
30
Hist. Avg.
28°
14°
31
Hist. Avg.
28°
14°
1
Hist. Avg.
28°
14°
2
Hist. Avg.
28°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Rexburg
Rexburg's December 2026 forecast shows daily high temperatures ranging from 27° to 37°, with overnight lows between 7° and 24°. The average high for December is 33° with an average low of 16°. 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 Rexburg. See also: January | February | March.
