Visalia, CA 93277 Frost Dates
93277, near Visalia, CA: the frost window
The last spring frost here typically falls around 01/23, about 148 days from today. Fall's first freeze usually shows up around 12/13, roughly 328 days after the last spring frost.
Visalia sits in USDA Zone 9b (25 to 30°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
Visalia's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
01/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Visalia against the rest of the dataset
About 328 days separate Visalia's last and first frost, putting it 3,173 of 40,283 ZIP codes nationally. Within CA, it ranks 1,359 of 2,555.
Learn more
Two guides worth reading on 93277: zone vs. frost date, on why Zone 9b and Visalia's frost date answer different questions, and the frost range, on how to read the range around Visalia's dates instead of trusting one.