Wausau, FL 32438 Frost Dates
Frost dates for Wausau, FL, ZIP 32438
Around 03/05 is the usual last spring frost, about 189 days away. The first fall frost typically arrives around 11/21, about 263 frost-free days later.
Zone 9a (20 to 25°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 Wausau, not a forecast for this year.
What to do before the first frost
Zone 9a around Wausau has about 12 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/05 isn't a guarantee
03/05 is the middle of 30 years of NOAA records, not a promise. Plant by 02/07 and you're betting against frost in roughly 9 years out of 10. 03/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wausau compares
At roughly 263 frost-free days, Wausau places 6,145 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,530 of 1,609.
Learn more
zone vs. frost date explains why Zone 9a and Wausau's frost date answer different questions, and the frost range explains how to read the range around Wausau's dates instead of trusting one.