Frost dates for Orangeburg Muni Airport, SC
At Orangeburg Muni Airport, the median last spring frost (32°F) is Mar 15 and the median first fall frost is Nov 19, for a typical growing season of 249 days. For a 90% chance that the last frost has passed, wait until Mar 31. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 15Last spring frost (median)50% chance of 32°F after this date
- Mar 31Safer planting date10% chance of 32°F after this date
- Nov 19First fall frost (median)50% chance of 32°F by this date
- 249 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 10 | Mar 29 | Apr 14 |
| 32°F | Feb 22 | Mar 15 | Mar 31 |
| 28°F | Feb 3 | Feb 28 | Mar 20 |
| 24°F | Jan 8 | Feb 7 | Mar 7 |
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 23 | Nov 6 | Nov 22 |
| 32°F | Nov 3 | Nov 19 | Dec 10 |
| 28°F | Nov 13 | Dec 6 | Jan 4 |
| 24°F | Nov 30 | Dec 29 | Jan 30 |
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 | 201 days | 223 days | 247 days |
| 32°F | 224 days | 249 days | 278 days |
| 28°F | 253 days | 282 days | 315 days |
| 24°F | 283 days | 319 days | 353 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 95% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 29115 | 8b | 15 to 20°F | 2 km |
| 29039 | 8b | 15 to 20°F | 6 km |
| 29133 | 8b | 15 to 20°F | 13 km |
| 29047 | 8b | 15 to 20°F | 27 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 USW00053854, at 33.4617, -80.8581, elevation 60 m (197 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 35.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Orangeburg 2 (3 km)
- Bamberg (25 km)
- N 5ne (28 km)
- Barnwell 5 ENE (42 km)
- Holly Hill 1 SW (44 km)
- Blackville 3 W (45 km)
- Pelion 0.8 NW (51 km)
- Wagener 1sw (52 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