S
M
T
W
T
F
S
29
60°
43°
30
56°
42°
1
55°
43°
2
55°
42°
3
56°
42°
4
57°
43°
5
58°
41°
6
59°
38°
7
58°
41°
8
59°
41°
9
53°
40°
10
53°
41°
11
54°
33°
12
58°
34°
13
53°
38°
14
60°
40°
15
61°
41°
16
60°
40°
17
60°
33°
18
53°
39°
19
51°
40°
20
53°
37°
21
57°
32°
22
55°
30°
23
50°
32°
24
50°
36°
25
52°
37°
26
51°
37°
27
50°
33°
28
49°
31°
29
49°
31°
30
48°
29°
31
48°
30°
1
49°
32°
2
49°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Chico
Chico's December 2026 forecast shows daily high temperatures ranging from 48° to 61°, with overnight lows between 29° and 43°. The average high for December is 54° with an average low of 37°. 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 Chico. See also: January | February | March.
