Frost dates for Brooklet 1 W, GA
At Brooklet 1 W, the median last spring frost (32°F) is Mar 7 and the median first fall frost is Nov 21, for a typical growing season of 257 days. For a 90% chance that the last frost has passed, wait until Mar 27. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Mar 7Last spring frost (median)50% chance of 32°F after this date
- Mar 27Safer planting date10% chance of 32°F after this date
- Nov 21First fall frost (median)50% chance of 32°F by this date
- 257 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 2 | Mar 22 | Apr 10 |
| 32°F | Feb 11 | Mar 7 | Mar 27 |
| 28°F | Jan 25 | Feb 22 | Mar 17 |
| 24°F | Jan 2 | Feb 4 | Mar 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 | Oct 28 | Nov 9 | Nov 26 |
| 32°F | Nov 5 | Nov 21 | Dec 15 |
| 28°F | Nov 16 | Dec 8 | Jan 9 |
| 24°F | Dec 2 | Jan 1 | Feb 3 |
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 | 207 days | 230 days | 256 days |
| 32°F | 231 days | 257 days | 288 days |
| 28°F | 257 days | 290 days | 326 days |
| 24°F | 285 days | 324 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 90% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 30415 | 9a | 20 to 25°F | 9 km |
| 30460 | 8b | 15 to 20°F | 12 km |
| 30461 | 8b | 15 to 20°F | 14 km |
| 30458 | 8b | 15 to 20°F | 15 km |
| 30449 | 9a | 20 to 25°F | 21 km |
| 31321 | 9a | 20 to 25°F | 21 km |
| 31312 | 9a | 20 to 25°F | 26 km |
| 30446 | 8b | 15 to 20°F | 29 km |
| 31329 | 9a | 20 to 25°F | 31 km |
| 31303 | 8b | 15 to 20°F | 37 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 USC00091266, at 32.3767, -81.6739, elevation 55 m (180 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 28.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rocky Ford 4se (30 km)
- Metter (36 km)
- Glennville 3nw (51 km)
- Savannah Intl Airport (52 km)
- Fort Stewart (57 km)
- Midville Exp. Station (75 km)
- Waynesboro 2 S (83 km)
- Baxley 5nnw (89 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.