S
M
T
W
T
F
S
29
58°
44°
30
55°
43°
1
55°
43°
2
54°
42°
3
54°
43°
4
56°
43°
5
57°
42°
6
57°
39°
7
56°
41°
8
59°
42°
9
53°
41°
10
52°
41°
11
52°
34°
12
56°
34°
13
51°
38°
14
59°
40°
15
60°
41°
16
59°
40°
17
59°
34°
18
52°
40°
19
50°
40°
20
52°
38°
21
56°
33°
22
54°
31°
23
49°
33°
24
49°
36°
25
51°
38°
26
50°
37°
27
50°
33°
28
49°
32°
29
48°
31°
30
48°
30°
31
49°
31°
1
48°
33°
2
50°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Tehama
Tehama's December 2026 forecast shows daily high temperatures ranging from 48° to 60°, with overnight lows between 30° and 44°. The average high for December is 53° with an average low of 38°. 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 Tehama. See also: January | February | March.
