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 27531
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 27531 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Goldsboro, NC, is 0 miles from the ZIP's center: its last spring frost comes after March 15 in half of years and after April 1 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Goldsboro, NC4 mi SE | 0 mi | 109 ft | March 15 | April 1 | November 18 | – |
| Goldsboro Agricultural (1 mi N), NC | 6 mi | 109 ft | March 28 | April 11 | November 12 | 8a |
| Mount Olive, NC6 mi SE | 14 mi | 162 ft | March 28 | April 10 | November 7 | – |
| Snow Hill, NCSnow Hill Waste Water Treament | 19 mi | 41 ft | March 26 | April 8 | November 12 | – |
| Kinston, NCKinston Agricultural Research | 23 mi | 60 ft | March 25 | April 7 | November 11 | 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 Goldsboro
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 12 | April 3 | March 29 | March 9 | November 6 | October 25 |
| 32°F | April 1 | March 23 | March 15 | February 23 | November 18 | November 2 |
| 28°F (hard freeze) | March 20 | March 6 | February 28 | February 4 | December 4 | November 14 |
| 24°F | March 7 | February 23 | February 10 | January 13 | December 26 | 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.