Winters, CA 95653 Frost Dates
When can you plant in Winters, CA?
Typically, the last spring freeze lands around 02/07, roughly 163 days out. The first fall frost typically arrives around 12/05, about 301 frost-free days later.
Zone 9b (25 to 30°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 Winters, not a forecast for this year.
What to do before the first frost
About 14 weeks of growing season left in Winters before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Winters's last frost
02/07 is the middle of 30 years of NOAA records, not a promise. Plant by 01/09 and you're betting against frost in roughly 9 years out of 10. 03/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winters compares
Winters's growing season runs about 301 days, ranking 3,970 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,636 of 2,555.
Learn more
the frost range covers how to read the range around Winters's dates instead of trusting one. local microclimates covers what one yard in Winters can differ from the 95653 normal.