Weather information for the Chico area is provided below. Average temperatures, climate details and current forecasts are included.
Chico is a city with a Mediterranean climate and a city of clear skies for most of the year. Summers can be very hot, despite Chico's position in the northern section of California, and winters are usually very mild.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 54 | 60 | 65 | 72 | 80 | 88 | 93 | 92 | 88 | 79 | 63 | 54 | |
| Avg. Low | 35 | 39 | 42 | 45 | 51 | 57 | 61 | 59 | 55 | 47 | 40 | 35 | |
| Precipitation | 5.2 | 4.5 | 4.3 | 1.6 | 0.9 | 0.5 | 0.1 | 0.2 | 0.6 | 1.3 | 3.5 | 3.6 | |



