S
M
T
W
T
F
S
29
42°
22°
30
36°
22°
1
36°
20°
2
43°
22°
3
40°
22°
4
38°
21°
5
44°
21°
6
38°
12°
7
38°
16°
8
43°
20°
9
41°
16°
10
36°
16°
11
30°
8°
12
28°
9°
13
34°
10°
14
35°
9°
15
37°
14°
16
40°
15°
17
40°
19°
18
38°
21°
19
37°
11°
20
38°
21°
21
37°
13°
22
39°
8°
23
30°
4°
24
27°
6°
25
28°
10°
26
34°
18°
27
36°
18°
28
36°
19°
29
34°
17°
30
38°
12°
31
34°
6°
1
29°
5°
2
29°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Heber
Heber's December 2026 forecast shows daily high temperatures ranging from 27° to 44°, with overnight lows between 4° and 22°. The average high for December is 36° with an average low of 15°. 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 Heber. See also: January | February | March.