Last frost date in Arroyo Grande, California

February 1

Average last frost in spring. In an early year (1 in 10) it's over by December 18; in a late year (1 in 10) it comes after March 13.

January 4

Average first frost in fall. 1 year in 10 it comes by December 8.

A 32°F night happens here about 5 years in 10; in those years these are the usual dates.

Source: NOAA U.S. Climate Normals 1991–2020, station Pismo Beach (USC00046943), 6.1 miles from Arroyo Grande, elevation 39 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Arroyo Grande, California
Early yearAverageLate year
Last frost in springDec 18Feb 1Mar 13
First frost in fallDec 8Jan 4Feb 27

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 362

Planting calendar for Arroyo Grande

Fall planting

USDA dates for places whose average first freeze is about December 20 (Arroyo Grande: January 4).

USDA lists horseradish as generally spring-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

Nearby in California

All 376 places in California