When is the last frost in Fresno, CA?

For ZIP code 93705, the average last spring frost (32°F) is January 14, based on NOAA 1991-2020 climate normals for the Fresno Yosemite Intl Ap, CA weather station. There is a 1-in-10 chance of a frost after February 11.

When is the first frost in Fresno, CA?

The average first fall frost (32°F) is December 14. There is a 1-in-10 chance of frost by November 29, so tender plants are at risk from that point on.

How long is the growing season in 93705?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 337 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 93705Fresno, CA

The average last spring frost in Fresno is January 14 and the average first fall frost is December 14, giving a typical growing season of about 337 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 14
Average first fall frost: Dec 14
Growing season: 337 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)	Jan 19 · Feb 15 · Mar 13	Nov 16 · Dec 1 · Dec 24	288 days	100%
Frost / freeze (32°F)	Dec 22 · Jan 14 · Feb 11	Nov 29 · Dec 14 · Jan 12	337 days	85%
Hard freeze (28°F)	Dec 13 · Jan 1 · Jan 24	Dec 7 · Dec 24 · Jan 15	365 days	33%

Where these dates come from

ZIP code 93705 is matched to the NOAA station Fresno Yosemite Intl Ap, CA, 9.8 km away, at 333 ft elevation (31 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Fresno Yosemite Intl Ap, CA (used)	333 ft	Jan 14	Dec 14
Fresno 5 Ne, CA	338 ft	Jan 30	Dec 11
Friant Government Camp, CA	410 ft	Mar 9	Dec 1
Madera, CA	270 ft	Feb 18	Nov 27

Frost dates near Fresno

Fresno, CA 93704 · last Jan 14, first Dec 14
Clovis, CA 93612 · last Jan 14, first Dec 14
Biola, CA 93606 · last Feb 18, first Nov 27
Madera, CA 93636 · last Feb 18, first Nov 27
Raisin City, CA 93652 · last Jan 30, first Dec 11
Fowler, CA 93625 · last Jan 30, first Dec 11
Kerman, CA 93630 · last Feb 18, first Nov 27
Burrel, CA 93607 · last Feb 24, first Nov 22

Frequently asked questions

When is the last frost in Fresno, CA?: For ZIP code 93705, the average last spring frost (32°F) is January 14, based on NOAA 1991-2020 climate normals for the Fresno Yosemite Intl Ap, CA weather station. There is a 1-in-10 chance of a frost after February 11.
When is the first frost in Fresno, CA?: The average first fall frost (32°F) is December 14. There is a 1-in-10 chance of frost by November 29, so tender plants are at risk from that point on.
How long is the growing season in 93705?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 337 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.