S
M
T
W
T
F
S
29
43°
25°
30
44°
27°
1
48°
25°
2
39°
24°
3
33°
24°
4
35°
22°
5
33°
24°
6
34°
23°
7
41°
18°
8
30°
16°
9
29°
17°
10
32°
16°
11
38°
22°
12
39°
22°
13
41°
23°
14
42°
23°
15
43°
22°
16
45°
23°
17
45°
22°
18
35°
21°
19
33°
14°
20
30°
22°
21
43°
15°
22
38°
14°
23
32°
18°
24
33°
12°
25
35°
20°
26
40°
21°
27
43°
21°
28
43°
20°
29
44°
15°
30
35°
8°
31
34°
5°
1
28°
11°
2
29°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Box Elder
Box Elder's December 2026 forecast shows daily high temperatures ranging from 28° to 48°, with overnight lows between 5° and 27°. The average high for December is 37° with an average low of 19°. 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 Box Elder. See also: January | February | March.
