Altamonte Springs, FL 32701 Frost Dates
Altamonte Springs, FL: when does the frost end?
Typically, the last spring freeze lands around 01/17, roughly 142 days out. Fall's first freeze usually shows up around 01/13, roughly 365 days after the last spring frost.
Altamonte Springs 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
With roughly 20 weeks until Altamonte Springs's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Altamonte Springs's last frost
01/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/26 and only about 1 year in 10 sees frost after that.
Altamonte Springs against the rest of the dataset
Altamonte Springs's growing season runs about 365 days, ranking 903 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 371 of 1,609.
Learn more
Before leaning on 32701's figures: local microclimates explains what one yard in Altamonte Springs can differ from the 32701 normal, while zone vs. frost date explains why Zone 10a and Altamonte Springs's frost date answer different questions.