FrostDateByZip

Frost dates for 91367Woodland Hills, CA

The average last spring frost in Woodland Hills is January 24 and the average first fall frost is December 15, giving a typical growing season of about 329 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 24

Safer after Mar 5 (1-in-10 risk)

Average first fall frost
Dec 15

Possible by Nov 27 (1-in-10 risk)

Growing season
329 days

First frost typically in 43 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 30 · Mar 2 · Apr 7Nov 12 · Nov 29 · Dec 19271 days100%
Frost / freeze (32°F)Dec 21 · Jan 24 · Mar 5Nov 27 · Dec 15 · Jan 26329 days91%
Hard freeze (28°F)Dec 5 · Dec 31 · Feb 1Dec 1 · Dec 26 · Jan 25365 days35%

Where these dates come from

ZIP code 91367 is matched to the NOAA station Woodland Hills Pierce College, CA, 3.9 km away, at 790 ft elevation (60 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Woodland Hills Pierce College, CA (used)790 ftJan 24Dec 15
Northridge Cal State, CA904 ftJan 2Jan 1
Van Nuys Ap, CA770 ftDec 31Dec 30
Getty Ctr, CA1,117 ft——

Frost dates near Woodland Hills

Frequently asked questions

When is the last frost in Woodland Hills, CA?
For ZIP code 91367, the average last spring frost (32°F) is January 24, based on NOAA 1991-2020 climate normals for the Woodland Hills Pierce College, CA weather station. There is a 1-in-10 chance of a frost after March 5.
When is the first frost in Woodland Hills, CA?
The average first fall frost (32°F) is December 15. There is a 1-in-10 chance of frost by November 27, so tender plants are at risk from that point on.
How long is the growing season in 91367?
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.