FrostDateCheck

Roseville, CA 95747 Frost Dates

Roseville, CA: when does the frost end?

Zone 9b

The last spring frost here typically falls around 02/22, about 178 days from today. Fall's first freeze usually shows up around 11/24, roughly 277 days after the last spring frost.

Roseville 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

With roughly 13 weeks until Roseville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Roseville's last frost

02/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/01 and only about 1 year in 10 sees frost after that.

Roseville against the rest of the dataset

At roughly 277 frost-free days, Roseville places 4,945 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,811 of 2,555.

Learn more

Before leaning on 95747's figures: the frost range explains how to read the range around Roseville's dates instead of trusting one, while local microclimates explains what one yard in Roseville can differ from the 95747 normal.