Frost dates by ZIP code: The nearest NOAA stations to your ZIP, 1991-2020 normals
Enter a five-digit ZIP code. PlainClimate finds its center (Census Bureau 2024) and the five nearest NOAA stations with frost dates, and shows each station's last spring and first autumn 32°F dates with its distance and elevation.
Frost dates near ZIP 31705
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 31705 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Albany (3 mi SE), GA, is 6 miles from the ZIP's center: its last spring frost comes after March 10 in half of years and after March 30 in one year in ten. By the USDA's method its plant hardiness zone is 9a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Albany (3 mi SE), GA | 6 mi | 180 ft | March 10 | March 30 | November 20 | 9a |
| Albany, GAAlbany SW Georgia Regional Airport | 9 mi | 190 ft | March 8 | March 27 | November 21 | 8b |
| Leesburg, GALeesburg 2 | 19 mi | 260 ft | March 12 | March 30 | November 19 | – |
| Crisp County Power Dam, GA | 23 mi | 245 ft | March 9 | March 27 | November 20 | 9a |
| Camilla, GA3 mi SE | 24 mi | 175 ft | March 10 | March 28 | November 18 | 8b |
Frost comes later in spring at higher and colder stations and earlier in low, open ground: prefer a station at a similar elevation to yours. Hardiness zone in the table: the USDA's rule (the average of each year's coldest night, 1991-2020) applied to the station's own record.
Every frost threshold at Albany (3 mi SE)
NOAA publishes the dates for several temperatures and odds. A 30% spring date means a 3-in-10 chance of a later frost (the convention almanacs use); 50% is the median; 10% the cautious date.
| Threshold | Spring, 10% | Spring, 30% | Spring, 50% | Spring, 90% | Autumn, 50% | Autumn, 10% |
|---|---|---|---|---|---|---|
| 36°F (light frost) | April 11 | March 31 | March 23 | February 28 | November 9 | October 27 |
| 32°F | March 30 | March 19 | March 10 | February 13 | November 20 | November 5 |
| 28°F (hard freeze) | March 18 | March 4 | February 21 | January 21 | December 5 | November 16 |
| 24°F | March 7 | February 15 | February 1 | December 31 | January 1 | November 29 |
Source: NOAA NCEI 1991-2020 annual normals; ZIP centers: Census Bureau 2024 Gazetteer; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. Autumn 10%: one year in ten has its first frost before this date.