Frost dates for Yemassee 1 N, SC
At Yemassee 1 N, the median last spring frost (32°F) is Mar 23 and the median first fall frost is Nov 6, for a typical growing season of 233 days. For a 90% chance that the last frost has passed, wait until Apr 11. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Mar 23Last spring frost (median)50% chance of 32°F after this date
- Apr 11Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 233 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 | Mar 19 | Apr 7 | Apr 23 |
| 32°F | Feb 28 | Mar 23 | Apr 11 |
| 28°F | Feb 10 | Mar 7 | Mar 27 |
| 24°F | Jan 17 | Feb 18 | Mar 17 |
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 | Oct 16 | Oct 29 | Nov 13 |
| 32°F | Oct 25 | Nov 6 | Dec 1 |
| 28°F | Nov 3 | Nov 22 | Dec 16 |
| 24°F | Nov 15 | Dec 8 | Jan 7 |
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 | 186 days | 207 days | 231 days |
| 32°F | 208 days | 233 days | 263 days |
| 28°F | 233 days | 262 days | 297 days |
| 24°F | 260 days | 297 days | 337 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 29945 | 8b | 15 to 20°F | 6 km |
| 29916 | 8b | 15 to 20°F | 10 km |
| 29912 | 8b | 15 to 20°F | 15 km |
| 29934 | 8b | 15 to 20°F | 27 km |
| 29943 | 9a | 20 to 25°F | 36 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 USC00389469, at 32.7019, -80.8517, elevation 13 m (44 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 52.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Walterboro 1 SW (26 km)
- Beaufort MCAS (27 km)
- Hampton 1s (30 km)
- Beaufort Wastewater Plant (37 km)
- Edisto Island Middleton Plantation (50 km)
- Allendale 2 NW (56 km)
- Edisto Beach State Park (57 km)
- Bamberg (68 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