When is the last frost in Del Rey, CA?

For ZIP code 93616, the average last spring frost (32°F) is January 30, based on NOAA 1991-2020 climate normals for the Fresno 5 Ne, CA weather station. There is a 1-in-10 chance of a frost after March 4.

When is the first frost in Del Rey, CA?

The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 25, so tender plants are at risk from that point on.

How long is the growing season in 93616?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 319 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 93616Del Rey, CA

The average last spring frost in Del Rey is January 30 and the average first fall frost is December 11, giving a typical growing season of about 319 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 30
Average first fall frost: Dec 11
Growing season: 319 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 3 · Mar 2 · Apr 3	Nov 14 · Nov 27 · Dec 12	267 days	100%
Frost / freeze (32°F)	Jan 1 · Jan 30 · Mar 4	Nov 25 · Dec 11 · Jan 8	319 days	98%
Hard freeze (28°F)	Dec 16 · Jan 4 · Jan 27	Dec 5 · Dec 24 · Jan 14	358 days	58%

Where these dates come from

ZIP code 93616 is matched to the NOAA station Fresno 5 Ne, CA, 16.3 km away, at 338 ft elevation (3 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Fresno 5 Ne, CA (used)	338 ft	Jan 30	Dec 11
Fresno Yosemite Intl Ap, CA	333 ft	Jan 14	Dec 14
Hanford Muni Ap, CA	249 ft	Feb 20	Nov 23
Hanford 1 S, CA	237 ft	Feb 7	Dec 1

Frost dates near Del Rey

Parlier, CA 93648 · last Jan 30, first Dec 11
Fowler, CA 93625 · last Jan 30, first Dec 11
Sanger, CA 93657 · last Jan 30, first Dec 11
Selma, CA 93662 · last Jan 30, first Dec 11
Fresno, CA 93707 · last Jan 30, first Dec 11
Reedley, CA 93654 · last Jan 30, first Dec 11
Kingsburg, CA 93631 · last Feb 20, first Nov 23
Clovis, CA 93611 · last Jan 14, first Dec 14

Frequently asked questions

When is the last frost in Del Rey, CA?: For ZIP code 93616, the average last spring frost (32°F) is January 30, based on NOAA 1991-2020 climate normals for the Fresno 5 Ne, CA weather station. There is a 1-in-10 chance of a frost after March 4.
When is the first frost in Del Rey, CA?: The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 25, so tender plants are at risk from that point on.
How long is the growing season in 93616?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 319 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.