Adelanto, CA 93544 Frost Dates
Adelanto, CA: when does the frost end?
Typically, the last spring freeze lands around 03/13, roughly 197 days out. Fall's first freeze usually shows up around 12/01, roughly 258 days after the last spring frost.
Adelanto sits in USDA Zone 8b (15 to 20°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
With roughly 14 weeks until Adelanto's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Adelanto against the rest of the dataset
Adelanto's growing season runs about 258 days, ranking 6,629 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,060 of 2,555.
Learn more
Before leaning on 93544's figures: local microclimates explains what one yard in Adelanto can differ from the 93544 normal, while zone vs. frost date explains why Zone 8b and Adelanto's frost date answer different questions.