FrostDateCheck

Winters, CA 95694 Frost Dates

Winters, CA: when does the frost end?

Zone 9b

The last spring frost here typically falls around 02/18, about 174 days from today. Fall's first freeze usually shows up around 11/30, roughly 284 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Winters in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

With roughly 13 weeks until Winters'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

02/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.

Winters against the rest of the dataset

About 284 days separate Winters's last and first frost, putting it 4,686 of 40,283 ZIP codes nationally. Within CA, it ranks 1,737 of 2,555.

Learn more

Before leaning on 95694's figures: zone vs. frost date explains why Zone 9b and Winters's frost date answer different questions, while the frost range explains how to read the range around Winters's dates instead of trusting one.