FrostDateByZip

Frost dates for 92532Lake Elsinore, CA

The average last spring frost in Lake Elsinore is January 28 and the average first fall frost is December 18, giving a typical growing season of about 329 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 28

Safer after Feb 27 (1-in-10 risk)

Average first fall frost
Dec 18

Possible by Dec 1 (1-in-10 risk)

Growing season
329 days

First frost typically in 47 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)Jan 29 · Feb 28 · Apr 2Nov 15 · Dec 2 · Dec 18274 days100%
Frost / freeze (32°F)Dec 24 · Jan 28 · Feb 27Dec 1 · Dec 18 · Jan 24329 days91%
Hard freeze (28°F)Dec 12 · Jan 1 · Feb 9Dec 9 · Dec 27 · Feb 3365 days38%

Where these dates come from

ZIP code 92532 is matched to the NOAA station Elsinore, CA, 4 km away, at 1,268 ft elevation (330 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Elsinore, CA (used)1,268 ftJan 28Dec 18
Riverside Fire Stn 3, CA840 ftJan 9Dec 25
Fallbrook 5 Ne, CA1,140 ftFeb 2Jan 30
Riverside Citrus Exp, CA986 ftJan 10Jan 2

Frost dates near Lake Elsinore

Frequently asked questions

When is the last frost in Lake Elsinore, CA?
For ZIP code 92532, the average last spring frost (32°F) is January 28, based on NOAA 1991-2020 climate normals for the Elsinore, CA weather station. There is a 1-in-10 chance of a frost after February 27.
When is the first frost in Lake Elsinore, CA?
The average first fall frost (32°F) is December 18. There is a 1-in-10 chance of frost by December 1, so tender plants are at risk from that point on.
How long is the growing season in 92532?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 329 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.