Frost dates for Edisto Beach State Park, SC
At Edisto Beach State Park, the median last spring frost (32°F) is Mar 1 and the median first fall frost is Dec 6, for a typical growing season of 280 days. For a 90% chance that the last frost has passed, wait until Mar 21. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Mar 1Last spring frost (median)50% chance of 32°F after this date
- Mar 21Safer planting date10% chance of 32°F after this date
- Dec 6First fall frost (median)50% chance of 32°F by this date
- 280 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 | Feb 24 | Mar 16 | Apr 4 |
| 32°F | Feb 1 | Mar 1 | Mar 21 |
| 28°F | Jan 14 | Feb 11 | Mar 9 |
| 24°F | Dec 31 | Jan 28 | 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 | Nov 3 | Nov 21 | Dec 13 |
| 32°F | Nov 15 | Dec 6 | Jan 4 |
| 28°F | Nov 29 | Dec 28 | Jan 23 |
| 24°F | Dec 14 | Jan 8 | Feb 5 |
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 | 222 days | 250 days | 279 days |
| 32°F | 250 days | 280 days | 314 days |
| 28°F | 281 days | 313 days | 348 days |
| 24°F | 308 days | 346 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 96% |
| 24°F | 73% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 29438 | 9a | 20 to 25°F | 7 km |
| 29487 | 9a | 20 to 25°F | 20 km |
| 29449 | 9a | 20 to 25°F | 22 km |
| 29446 | 9a | 20 to 25°F | 22 km |
| 29455 | 9a | 20 to 25°F | 28 km |
| 29907 | 9a | 20 to 25°F | 29 km |
| 29452 | 9a | 20 to 25°F | 29 km |
| 29920 | 9b | 25 to 30°F | 29 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 USC00382730, at 32.5050, -80.2947, elevation 2 m (5 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 15.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Edisto Island Middleton Plantation (12 km)
- Beaufort Wastewater Plant (40 km)
- Beaufort MCAS (40 km)
- Charleston City (46 km)
- Charleston Intl Airport (50 km)
- Sullivans Island (50 km)
- Walterboro 1 SW (55 km)
- Yemassee 1 N (57 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.
All South Carolina stations · How frost dates are calculated