Colfax, CA 95712 Frost Dates
95712, near Colfax, CA: the frost window
The last spring frost here typically falls around 04/03, about 218 days from today. Fall's first freeze usually shows up around 11/24, roughly 233 days after the last spring frost.
Colfax sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Colfax's growing season runs out in roughly 13 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Colfax's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Colfax against the rest of the dataset
Colfax's growing season runs about 233 days, ranking 9,912 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,162 of 2,555.
Learn more
Two guides worth reading on 95712: zone vs. frost date, on why Zone 9a and Colfax's frost date answer different questions, and the frost range, on how to read the range around Colfax's dates instead of trusting one.