FrostDateByZip

Frost dates for 91505Burbank, CA

The average last spring frost in Burbank is January 2 and the average first fall frost is December 26, giving a typical growing season of about 364 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 2

Safer after Jan 31 (1-in-10 risk)

Average first fall frost
Dec 26

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

Growing season
364 days

First frost typically in 57 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)Dec 31 · Feb 5 · Mar 10Nov 23 · Dec 12 · Jan 3308 days98%
Frost / freeze (32°F)Dec 11 · Jan 2 · Jan 31Dec 5 · Dec 26 · Jan 18364 days55%
Hard freeze (28°F)——365 days3%

Where these dates come from

ZIP code 91505 is matched to the NOAA station Burbank Valley Pump Plt, CA, 2 km away, at 655 ft elevation (68 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Burbank Valley Pump Plt, CA (used)655 ftJan 2Dec 26
Burbank Glendale Pasadena Ap, CA741 ftDec 31Dec 28
Van Nuys Ap, CA770 ftDec 31Dec 30
U C L A, CA430 ft——

Frost dates near Burbank

Frequently asked questions

When is the last frost in Burbank, CA?
For ZIP code 91505, the average last spring frost (32°F) is January 2, based on NOAA 1991-2020 climate normals for the Burbank Valley Pump Plt, CA weather station. There is a 1-in-10 chance of a frost after January 31.
When is the first frost in Burbank, CA?
The average first fall frost (32°F) is December 26. 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 91505?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 364 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.