Port St. Lucie, FL Frost Dates
The last spring frost in Port St. Lucie usually comes around January 23 and the first fall frost around January 18.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | January 23 | January 18 |
| Hard freeze, 28°F | Rare | Rare |
Growing season: about 365 days.
Frequently asked questions
When is the last frost in Port St. Lucie, FL?
The median date of the last spring frost (32°F) is January 23. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past January 23 lowers the risk for tender plants.
When is the first frost in Port St. Lucie?
The median date of the first fall frost (32°F) is January 18.
How long is the growing season in Port St. Lucie?
About 365 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USC00088620. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.
Port St. Lucie weather by month · Frost dates for every city