FrostDateByZip

Frost dates for 93906Salinas, CA

The average last spring frost in Salinas is January 29 and the average first fall frost is December 10, giving a typical growing season of about 325 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 29

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

Average first fall frost
Dec 10

Possible by Nov 21 (1-in-10 risk)

Growing season
325 days

First frost typically in 44 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 2 · Mar 9 · Apr 8Nov 4 · Nov 23 · Dec 14257 days100%
Frost / freeze (32°F)Dec 18 · Jan 29 · Mar 1Nov 21 · Dec 10 · Jan 15325 days90%
Hard freeze (28°F)Dec 6 · Dec 31 · Jan 31Dec 1 · Dec 25 · Jan 20365 days36%

Where these dates come from

ZIP code 93906 is matched to the NOAA station Salinas Municipal Ap, CA, 6.1 km away, at 74 ft elevation (21 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Salinas Municipal Ap, CA (used)74 ftJan 29Dec 10
Salinas #2, CA45 ftFeb 4Dec 6
Monterey Peninsul Ap, CA165 ftJan 2Dec 23
Monterey Wfo, CA122 ftJan 3Dec 28

Frost dates near Salinas

Frequently asked questions

When is the last frost in Salinas, CA?
For ZIP code 93906, the average last spring frost (32°F) is January 29, based on NOAA 1991-2020 climate normals for the Salinas Municipal Ap, CA weather station. There is a 1-in-10 chance of a frost after March 1.
When is the first frost in Salinas, CA?
The average first fall frost (32°F) is December 10. There is a 1-in-10 chance of frost by November 21, so tender plants are at risk from that point on.
How long is the growing season in 93906?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 325 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.