FrostDateByZip

Frost dates for 92244El Centro, CA

The average last spring frost in El Centro is January 6 and the average first fall frost is December 21, giving a typical growing season of about 347 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 6

Safer after Feb 6 (1-in-10 risk)

Average first fall frost
Dec 21

Possible by Dec 5 (1-in-10 risk)

Growing season
347 days

First frost typically in 55 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 5 · Feb 1 · Feb 25Nov 23 · Dec 8 · Dec 25309 days100%
Frost / freeze (32°F)Dec 14 · Jan 6 · Feb 6Dec 5 · Dec 21 · Jan 12347 days79%
Hard freeze (28°F)Dec 12 · Jan 3 · Jan 31Dec 10 · Dec 31 · Jan 29365 days25%

Where these dates come from

ZIP code 92244 is matched to the NOAA station El Centro Naf, CA, 2.6 km away, at -42 ft elevation (3 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
El Centro Naf, CA (used)-42 ftJan 6Dec 21
Imperial Co Ap, CA-58 ftJan 14Dec 24
El Centro 2 Ssw, CA-30 ftJan 3Dec 27
Imperial, CA-64 ftJan 4Dec 26

Frost dates near El Centro

Frequently asked questions

When is the last frost in El Centro, CA?
For ZIP code 92244, the average last spring frost (32°F) is January 6, based on NOAA 1991-2020 climate normals for the El Centro Naf, CA weather station. There is a 1-in-10 chance of a frost after February 6.
When is the first frost in El Centro, CA?
The average first fall frost (32°F) is December 21. There is a 1-in-10 chance of frost by December 5, so tender plants are at risk from that point on.
How long is the growing season in 92244?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 347 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.