Clovis, CA 93645 Frost Dates
93645, near Clovis, CA: the frost window
The last spring frost here typically falls around 03/25, about 209 days from today. Fall's first freeze usually shows up around 12/03, roughly 253 days after the last spring frost.
Zone 9a (20 to 25°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Clovis, not a forecast for this year.
Stretching the season past the first frost
Clovis's growing season runs out in roughly 14 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 Clovis's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Clovis against the rest of the dataset
Clovis's growing season runs about 253 days, ranking 7,074 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,074 of 2,555.
Learn more
Two guides worth reading on 93645: zone vs. frost date, on why Zone 9a and Clovis's frost date answer different questions, and the frost range, on how to read the range around Clovis's dates instead of trusting one.