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 24540
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 24540 in zone 7b (the coldest night of a typical year: 5 to 10°F).
The nearest station, Danville (2 mi SE), VA, is 6 miles from the ZIP's center: its last spring frost comes after April 8 in half of years and after April 30 in one year in ten. By the USDA's method its plant hardiness zone is 8a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Danville (2 mi SE), VA | 6 mi | 392 ft | April 8 | April 30 | November 1 | 8a |
| Danville, VADanville Regional Airport | 7 mi | 571 ft | April 10 | May 1 | October 28 | 7b |
| Chatham, VA | 13 mi | 647 ft | April 22 | May 9 | October 23 | 7a |
| Yanceyville, NC4 mi SE | 20 mi | 635 ft | March 31 | April 14 | November 4 | 8a |
| Eden, NC | 21 mi | 678 ft | April 11 | April 27 | October 29 | – |
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 Danville (2 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) | May 8 | April 30 | April 21 | April 5 | October 23 | October 11 |
| 32°F | April 30 | April 15 | April 8 | March 22 | November 1 | October 19 |
| 28°F (hard freeze) | April 10 | April 1 | March 27 | March 8 | November 10 | October 29 |
| 24°F | March 29 | March 19 | March 14 | February 21 | November 24 | November 7 |
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.