Burbank, CA 91606 Frost Dates
91606, near Burbank, CA: the frost window
Typically, the last spring freeze lands around 12/31, roughly 125 days out. Fall's first freeze usually shows up around 12/28, roughly 365 days after the last spring frost.
Burbank sits in USDA Zone 10a (30 to 35°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Burbank's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Burbank's last frost
12/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/12 and only about 1 year in 10 sees frost after that.
Burbank against the rest of the dataset
Burbank's growing season runs about 365 days, ranking 494 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 210 of 2,555.
Learn more
Two guides worth reading on 91606: local microclimates, on what one yard in Burbank can differ from the 91606 normal, and zone vs. frost date, on why Zone 10a and Burbank's frost date answer different questions.