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 39595
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 39595 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Pascagoula (3 mi NE), MS, is 7 miles from the ZIP's center: its last spring frost comes after March 8 in half of years and after March 31 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Pascagoula (3 mi NE), MS | 7 mi | 12 ft | March 8 | March 31 | November 19 | – |
| Pascagoula, MSPascagoula Lott International Airport | 9 mi | 18 ft | March 1 | March 24 | November 24 | 9a |
| Coden, AL | 21 mi | 12 ft | March 13 | April 2 | November 24 | 9a |
| Biloxi, MS | 26 mi | 10 ft | February 12 | March 11 | December 14 | 9a |
| Gulfport, MSGulfport - Biloxi Airport | 30 mi | 42 ft | February 23 | March 16 | December 3 | 9a |
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 Pascagoula (3 mi NE)
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 13 | April 1 | March 24 | February 28 | November 8 | October 25 |
| 32°F | March 31 | March 18 | March 8 | February 15 | November 19 | November 3 |
| 28°F (hard freeze) | March 18 | March 2 | February 22 | January 27 | December 4 | November 13 |
| 24°F | March 3 | February 16 | February 4 | January 5 | December 29 | November 24 |
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.