Moore Haven, FL 33471 Frost Dates
33471, near Moore Haven, FL: the frost window
The last spring frost here typically falls around 01/23, about 148 days from today. Fall's first freeze usually shows up around 01/11, roughly 361 days after the last spring frost.
Zone 10a (30 to 35°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Moore Haven, not a forecast for this year.
Stretching the season past the first frost
Moore Haven's growing season runs out in roughly 19 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
01/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/30 and only about 1 year in 10 sees frost after that.
Moore Haven against the rest of the dataset
At roughly 361 frost-free days, Moore Haven places 2,082 of 40,283 ZIP codes in this dataset. Within FL, it ranks 914 of 1,609.
Learn more
Two guides worth reading on 33471: the frost range, on how to read the range around Moore Haven's dates instead of trusting one, and local microclimates, on what one yard in Moore Haven can differ from the 33471 normal.