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 08361
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 08361 in zone 7a (the coldest night of a typical year: 0 to 5°F).
The nearest station, Millville, NJ, is 8 miles from the ZIP's center: its last spring frost comes after April 24 in half of years and after May 10 in one year in ten. By the USDA's method its plant hardiness zone is 7a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Millville, NJMillville Municipal Airport | 8 mi | 70 ft | April 24 | May 10 | October 23 | 7a |
| Estell Manor, NJ | 8 mi | 85 ft | April 24 | May 12 | October 22 | 7a |
| Woodstown, NJWoodstown Pittsgrov (4 mi E) | 13 mi | 98 ft | April 11 | April 27 | November 3 | – |
| Seabrook Farms, NJ | 14 mi | 104 ft | April 10 | April 25 | November 1 | 7b |
| Belleplain, NJBelleplain Station Forest | 15 mi | 30 ft | April 24 | May 18 | October 22 | – |
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 Millville
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 22 | May 12 | May 6 | April 21 | October 14 | October 2 |
| 32°F | May 10 | May 1 | April 24 | April 8 | October 23 | October 10 |
| 28°F (hard freeze) | April 26 | April 17 | April 10 | March 26 | November 2 | October 19 |
| 24°F | April 11 | April 2 | March 27 | March 11 | November 14 | November 1 |
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.