Frost dates for Clewiston #2, FL
At Clewiston #2, the median last spring frost (32°F) is Jan 27 and the median first fall frost is Jan 13, for a typical growing season of 357 days. For a 90% chance that the last frost has passed, wait until Feb 27. Nearby ZIP codes are in USDA hardiness zones 9b to 10b.
- Jan 27Last spring frost (median)50% chance of 32°F after this date
- Feb 27Safer planting date10% chance of 32°F after this date
- Jan 13First fall frost (median)50% chance of 32°F by this date
- 357 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 8 | Feb 7 | Mar 9 |
| 32°F | Jan 1 | Jan 27 | Feb 27 |
| 28°F | Jan 1 | Jan 18 | Feb 6 |
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 1 | Jan 3 | Feb 3 |
| 32°F | Dec 21 | Jan 13 | Feb 14 |
| 28°F | Dec 29 | Jan 11 | Feb 1 |
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 | 291 days | 325 days | 364 days |
| 32°F | 316 days | 357 days | 365 days |
| 28°F | 346 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 | 90% |
| 32°F | 54% |
| 28°F | 18% |
| 24°F | 3% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 33440 | 10a | 30 to 35°F | 22 km |
| 33471 | 10a | 30 to 35°F | 25 km |
| 33935 | 10a | 30 to 35°F | 37 km |
| 33476 | 10b | 35 to 40°F | 40 km |
| 33930 | 10a | 30 to 35°F | 40 km |
| 33493 | 10a | 30 to 35°F | 45 km |
| 33944 | 9b | 25 to 30°F | 47 km |
| 34974 | 10a | 30 to 35°F | 48 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 USC00081651, at 26.7361, -81.0492, elevation 6 m (18 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 2.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Devils Garden (9 km)
- Moore Haven Lock 1 (12 km)
- Ortona Lock 2 (26 km)
- Brighton Rsvn (34 km)
- La Belle (37 km)
- Belle Glade (38 km)
- Canal Point Usda (44 km)
- Big Cypress (46 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.