When is the last frost in Stockton, CA?

For ZIP code 95219, the average last spring frost (32°F) is February 5, based on NOAA 1991-2020 climate normals for the Stockton Fire Stn 4, CA weather station. There is a 1-in-10 chance of a frost after March 11.

When is the first frost in Stockton, CA?

The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 17, so tender plants are at risk from that point on.

How long is the growing season in 95219?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 305 days long.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 95219Stockton, CA

The average last spring frost in Stockton is February 5 and the average first fall frost is December 8, giving a typical growing season of about 305 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 5
Average first fall frost: Dec 8
Growing season: 305 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Feb 1 · Mar 4 · Apr 13	Nov 3 · Nov 20 · Dec 13	260 days	100%
Frost / freeze (32°F)	Dec 27 · Feb 5 · Mar 11	Nov 17 · Dec 8 · Jan 6	305 days	97%
Hard freeze (28°F)	Dec 12 · Jan 11 · Feb 21	Dec 1 · Dec 23 · Jan 29	353 days	59%

Where these dates come from

ZIP code 95219 is matched to the NOAA station Stockton Fire Stn 4, CA, 4.7 km away, at 12 ft elevation (9 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Stockton Fire Stn 4, CA (used)	12 ft	Feb 5	Dec 8
Lodi, CA	40 ft	Feb 9	Dec 5
Stockton Metro Ap, CA	26 ft	Feb 6	Dec 1
Tracy Pumping Plt, CA	61 ft	Jan 19	Dec 10

Frost dates near Stockton

Stockton, CA 95209 · last Feb 5, first Dec 8
Holt, CA 95234 · last Feb 5, first Dec 8
Lodi, CA 95242 · last Feb 9, first Dec 5
French Camp, CA 95231 · last Feb 6, first Dec 1
Woodbridge, CA 95258 · last Feb 9, first Dec 5
Victor, CA 95253 · last Feb 9, first Dec 5
Lathrop, CA 95330 · last Feb 6, first Dec 1
Bethel Island, CA 94511 · last Jan 12, first Dec 19

Frequently asked questions

When is the last frost in Stockton, CA?: For ZIP code 95219, the average last spring frost (32°F) is February 5, based on NOAA 1991-2020 climate normals for the Stockton Fire Stn 4, CA weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Stockton, CA?: The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 17, so tender plants are at risk from that point on.
How long is the growing season in 95219?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 305 days long.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.