FrostDateByZip

Frost dates for 93776Fresno, CA

The average last spring frost in Fresno 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

Safer after Mar 4 (1-in-10 risk)

Average first fall frost
Dec 11

Possible by Nov 25 (1-in-10 risk)

Growing season
319 days

First frost typically in 55 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.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Feb 3 · Mar 2 · Apr 3Nov 14 · Nov 27 · Dec 12267 days100%
Frost / freeze (32°F)Jan 1 · Jan 30 · Mar 4Nov 25 · Dec 11 · Jan 8319 days98%
Hard freeze (28°F)Dec 16 · Jan 4 · Jan 27Dec 5 · Dec 24 · Jan 14358 days58%

Where these dates come from

ZIP code 93776 is matched to the NOAA station Fresno 5 Ne, CA, 6.6 km away, at 338 ft elevation (13 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Fresno 5 Ne, CA (used)338 ftJan 30Dec 11
Fresno Yosemite Intl Ap, CA333 ftJan 14Dec 14
Friant Government Camp, CA410 ftMar 9Dec 1
Auberry 2 Nw, CA2,090 ftMar 25Dec 3

Frost dates near Fresno

Frequently asked questions

When is the last frost in Fresno, CA?
For ZIP code 93776, 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 Fresno, 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 93776?
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.