Colfax, CA 95736 Frost Dates
Colfax, CA: when does the frost end?
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
With roughly 13 weeks until Colfax's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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 9,916 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,166 of 2,555.
Learn more
Before leaning on 95736's figures: zone vs. frost date explains why Zone 9a and Colfax's frost date answer different questions, while the frost range explains how to read the range around Colfax's dates instead of trusting one.