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 31005
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 31005 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Warner Robins, GA, is 5 miles from the ZIP's center: its last spring frost comes after March 11 in half of years and after March 31 in one year in ten. By the USDA's method its plant hardiness zone is 8b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Warner Robins, GA | 5 mi | 420 ft | March 11 | March 31 | November 19 | 8b |
| Macon, GAMacon Middle Ga Regional Airport | 10 mi | 343 ft | March 21 | April 7 | November 10 | 8b |
| Hawkinsville, GA | 19 mi | 245 ft | March 20 | April 6 | November 12 | – |
| Irwinton, GA4 mi WNW | 29 mi | 515 ft | March 12 | April 1 | November 19 | – |
| Eastman, GA1 mi W | 33 mi | 400 ft | March 5 | March 26 | November 24 | 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 Warner Robins
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 | April 2 | March 26 | March 2 | November 9 | October 27 |
| 32°F | March 31 | March 20 | March 11 | February 15 | November 19 | November 4 |
| 28°F (hard freeze) | March 20 | March 5 | February 24 | January 29 | December 4 | November 14 |
| 24°F | March 5 | February 16 | February 4 | January 5 | December 24 | November 28 |
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.