Chico, CA Frost Dates
The last spring frost in Chico usually comes around February 7 and the first fall frost around December 18.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | February 7 | December 18 |
| Hard freeze, 28°F | January 5 | December 31 |
Growing season: about 313 days.
Frequently asked questions
When is the last frost in Chico, CA?
The median date of the last spring frost (32°F) is February 7. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past February 7 lowers the risk for tender plants.
When is the first frost in Chico?
The median date of the first fall frost (32°F) is December 18, and a hard freeze (28°F) usually follows around December 31.
How long is the growing season in Chico?
About 313 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USC00046685. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.