Frost dates for Fort Pierce, FL
At Fort Pierce, the median last spring frost (32°F) is Jan 22 and the median first fall frost is Jan 12, for a typical growing season of 365 days. For a 90% chance that the last frost has passed, wait until Feb 27. Nearby ZIP codes are in USDA hardiness zone 10a.
- Jan 22Last spring frost (median)50% chance of 32°F after this date
- Feb 27Safer planting date10% chance of 32°F after this date
- Jan 12First fall frost (median)50% chance of 32°F by this date
- 365 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Dec 29 | Jan 31 | Mar 7 |
| 32°F | Dec 26 | Jan 22 | Feb 27 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Dec 14 | Jan 8 | Feb 13 |
| 32°F | Dec 20 | Jan 12 | Feb 12 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 304 days | 344 days | 365 days |
| 32°F | 330 days | 365 days | 365 days |
| 28°F | 365 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 69% |
| 32°F | 33% |
| 28°F | 8% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 34950 | 10a | 30 to 35°F | 2 km |
| 34947 | 10a | 30 to 35°F | 3 km |
| 34949 | 10a | 30 to 35°F | 6 km |
| 34981 | 10a | 30 to 35°F | 6 km |
| 34982 | 10a | 30 to 35°F | 8 km |
| 34983 | 10a | 30 to 35°F | 13 km |
| 34986 | 10a | 30 to 35°F | 14 km |
| 34987 | 10a | 30 to 35°F | 22 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00083207, at 27.4419, -80.3508, elevation 8 m (25 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 1.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fort Pierce St. Lucie Co Intl Airport (7 km)
- Nettles Island (21 km)
- Vero Beach 4se (24 km)
- Vero Beach Intl Airport (26 km)
- Stuart (30 km)
- Port Salerno 5w (39 km)
- Palm Bay (60 km)
- Okeechobee (60 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.