Chico, CA Weather

Chico and the Sacramento Valley have a Mediterranean climate , with hot, dry summers and mild, wet winters.
Temperatures can rise well above 100 °F (38 °C) in the summer. Chico is one of the top metropolitan areas in the nation for number of clear days.

Winters are mild and wet, with the most rainfall coming in January. July is usually the hottest month, with an average high temperature of 94 °F (34 °C) and an average low temperature of 61 °F (16 °C). January is the coolest month, with an average high temperature of 55 °F (13 °C) and an average low temperature of 35 °F (2 °C). The average annual rainfall is 27 inches (690 mm). Tule fog is sometimes present during the autumn and winter months.

Average Temperature
Jan
55 °F
13 °C
Feb
51 °F
11 °C
Mar
57 °F
14 °C
Apr
71 °F
22 °C
May
73 °F
23 °C
Jun
89 °F
32 °C
Jul
91 °F
33 °C
Aug
91 °F
33 °C
Sep
87 °F
31 °C
Oct
75 °F
24 °C
Nov
70 °F
21 °C
Dec
54 °F
12 °C
Humidity
Jan
72%
Feb
72%
Mar
70%
Apr
57%
May
61%
Jun
40%
Jul
41%
Aug
40%
Sep
40%
Oct
28%
Nov
44%
Dec
82%
Rain
Jan
82mm
Feb
124mm
Mar
68mm
Apr
40mm
May
72mm
Jun
6mm
Jul
6mm
Aug
7mm
Sep
19mm
Oct
5mm
Nov
16mm
Dec
75mm
Clouds
Jan
44%
Feb
56%
Mar
55%
Apr
26%
May
20%
Jun
8%
Jul
2%
Aug
3%
Sep
5%
Oct
5%
Nov
13%
Dec
68%
Air quality US AQI
Jan
49
Feb
23
Mar
24
Apr
22
May
30
Jun
34
Jul
43
Aug
53
Sep
41
Oct
32
Nov
46
Dec
50
Sun
Jan
2UVI
Feb
3UVI
Mar
4UVI
Apr
6UVI
May
6UVI
Jun
9UVI
Jul
9UVI
Aug
9UVI
Sep
7UVI
Oct
5UVI
Nov
3UVI
Dec
1UVI