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 28054
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 28054 in zone 8a (the coldest night of a typical year: 10 to 15°F).
The nearest station, Gastonia station, NC, is 1 miles from the ZIP's center: its last spring frost comes after March 27 in half of years and after April 9 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 |
|---|---|---|---|---|---|---|
| Gastonia station, NC | 1 mi | 700 ft | March 27 | April 9 | November 9 | 8a |
| Gastonia, NCGastonia Municipal Airport | 4 mi | 797 ft | March 24 | April 10 | November 9 | 8a |
| Charlotte, NCCharlotte Douglas Airport | 11 mi | 728 ft | March 30 | April 14 | November 3 | 8a |
| Lincolnton, NC4 mi W | 17 mi | 887 ft | April 9 | April 27 | October 28 | 7b |
| Rock Hill, SCRock Hill York County Airport | 20 mi | 669 ft | March 31 | April 15 | November 4 | 8a |
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 Gastonia station
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 26 | April 14 | April 7 | March 23 | October 31 | October 18 |
| 32°F | April 9 | April 1 | March 27 | March 9 | November 9 | October 28 |
| 28°F (hard freeze) | March 31 | March 22 | March 15 | February 23 | November 22 | November 6 |
| 24°F | March 21 | March 10 | March 1 | February 3 | December 10 | November 18 |
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.