Milpitas, CA 95035 Frost Dates
95035, near Milpitas, CA: the frost window
Typically, the last spring freeze lands around 01/12, roughly 137 days out. Fall's first freeze usually shows up around 12/22, roughly 347 days after the last spring frost.
Milpitas sits in USDA Zone 10a (30 to 35°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
Milpitas's growing season runs out in roughly 17 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 Milpitas's last frost
01/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/20 and only about 1 year in 10 sees frost after that.
Milpitas against the rest of the dataset
About 347 days separate Milpitas's last and first frost, putting it 2,386 of 40,283 ZIP codes nationally. Within CA, it ranks 1,073 of 2,555.
Learn more
Two guides worth reading on 95035: zone vs. frost date, on why Zone 10a and Milpitas's frost date answer different questions, and the frost range, on how to read the range around Milpitas's dates instead of trusting one.