FrostDateByZip

Frost dates for 92548Homeland, CA

The average last spring frost in Homeland is January 31 and the average first fall frost is December 10, giving a typical growing season of about 315 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 31

Safer after Feb 28 (1-in-10 risk)

Average first fall frost
Dec 10

Possible by Nov 22 (1-in-10 risk)

Growing season
315 days

First frost typically in 39 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 6 · Mar 5 · Apr 8Nov 5 · Nov 24 · Dec 12260 days100%
Frost / freeze (32°F)Dec 31 · Jan 31 · Feb 28Nov 22 · Dec 10 · Jan 6315 days97%
Hard freeze (28°F)Dec 11 · Jan 3 · Jan 29Dec 2 · Dec 21 · Jan 15359 days59%

Where these dates come from

ZIP code 92548 is matched to the NOAA station San Jacinto, CA, 13.8 km away, at 1,525 ft elevation (109 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
San Jacinto, CA (used)1,525 ftJan 31Dec 10
Hemet, CA1,811 ftJan 10Dec 23
Elsinore, CA1,268 ftJan 28Dec 18
Redlands, CA1,410 ftJan 27Dec 19

Frost dates near Homeland

Frequently asked questions

When is the last frost in Homeland, CA?
For ZIP code 92548, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the San Jacinto, CA weather station. There is a 1-in-10 chance of a frost after February 28.
When is the first frost in Homeland, CA?
The average first fall frost (32°F) is December 10. There is a 1-in-10 chance of frost by November 22, so tender plants are at risk from that point on.
How long is the growing season in 92548?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 315 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.