FrostDateByZip

Frost dates for 93943Monterey, CA

Frost occurs in about 47% of years near Monterey, based on NOAA 1991-2020 records for the Monterey Wfo, CA station.

Frost occurs in about 47% of years. Frost-tender plants can usually grow year-round, but cover them if a rare cold snap is forecast.

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)Dec 30 · Feb 1 · Mar 3Nov 21 · Dec 10 · Jan 6314 days97%
Frost / freeze (32°F)Dec 12 · Jan 3 · Jan 24Dec 5 · Dec 28 · Jan 17365 days47%
Hard freeze (28°F)——365 days6%

Where these dates come from

ZIP code 93943 is matched to the NOAA station Monterey Wfo, CA, 1.7 km away, at 122 ft elevation (79 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Monterey Wfo, CA (used)122 ftJan 3Dec 28
Monterey Peninsul Ap, CA165 ftJan 2Dec 23
Monterey, CA260 ftJan 1Dec 30
Carmel Valley, CA480 ftFeb 20Dec 8

Frost dates near Monterey

Frequently asked questions

When is the last frost in Monterey, CA?
Frost occurs in about 47% of years at the nearest NOAA station (Monterey Wfo, CA), so there is no reliable average last frost date.
When is the first frost in Monterey, CA?
Frost occurs in about 47% of years at the nearest NOAA station.
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.