Frost dates for Stuart, FL
At Stuart, the median last spring frost (32°F) is Jan 23 and the median first fall frost is Jan 18, for a typical growing season of 365 days. For a 90% chance that the last frost has passed, wait until Feb 10. Nearby ZIP codes are in USDA hardiness zones 10a to 10b.
- Jan 23Last spring frost (median)50% chance of 32°F after this date
- Feb 10Safer planting date10% chance of 32°F after this date
- Jan 18First 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 | Jan 3 | Jan 27 | Feb 17 |
| 32°F | Jan 4 | Jan 23 | Feb 10 |
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 28 | Jan 17 | Feb 9 |
| 32°F | Jan 1 | Jan 18 | Feb 9 |
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 | 330 days | 365 days | 365 days |
| 32°F | 347 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 | 36% |
| 32°F | 14% |
| 28°F | 2% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 34994 | 10b | 35 to 40°F | 2 km |
| 34996 | 10b | 35 to 40°F | 5 km |
| 34984 | 10a | 30 to 35°F | 11 km |
| 34953 | 10a | 30 to 35°F | 16 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 USC00088620, at 27.1897, -80.2397, elevation 4 m (13 ft).
- Data quality: Representative (10+ years), 26 years of freeze data.
- Average days per year at or below 32°F: 0.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Port Salerno 5w (10 km)
- Nettles Island (11 km)
- Fort Pierce (30 km)
- Fort Pierce St. Lucie Co Intl Airport (37 km)
- Juno Beach (41 km)
- Palm Beach Gardens (41 km)
- Vero Beach Intl Airport (52 km)
- Canal Point Usda (53 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.