FrostDateByZip

Frost dates for 93950Pacific Grove, CA

Frost occurs in about 20% of years near Pacific Grove, based on NOAA 1991-2020 records for the Monterey, CA station.

Frost occurs in about 20% 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 19 · Jan 19 · Mar 2Nov 30 · Dec 22 · Jan 25336 days84%
Frost / freeze (32°F)Dec 11 · Jan 1 · Jan 21Dec 7 · Dec 30 · Jan 18365 days20%
Hard freeze (28°F)——365 days2%

Where these dates come from

ZIP code 93950 is matched to the NOAA station Monterey, CA, 3.3 km away, at 260 ft elevation (83 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Monterey, CA (used)260 ftJan 1Dec 30
Monterey Wfo, CA122 ftJan 3Dec 28
Monterey Peninsul Ap, CA165 ftJan 2Dec 23
Carmel Valley, CA480 ftFeb 20Dec 8

Frost dates near Pacific Grove

Frequently asked questions

When is the last frost in Pacific Grove, CA?
Frost occurs in about 20% of years at the nearest NOAA station (Monterey, CA), so there is no reliable average last frost date.
When is the first frost in Pacific Grove, CA?
Frost occurs in about 20% 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.