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 38651
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 38651 in zone 8a (the coldest night of a typical year: 10 to 15°F).
The nearest station, Hernando, MS, is 6 miles from the ZIP's center: its last spring frost comes after March 28 in half of years and after April 12 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 |
|---|---|---|---|---|---|---|
| Hernando, MS | 6 mi | 380 ft | March 28 | April 12 | November 5 | 8a |
| Olive Branch, MS | 11 mi | 385 ft | March 26 | April 11 | November 6 | 8a |
| Memphis, TNMemphis International Airport | 11 mi | 254 ft | March 16 | April 4 | November 16 | 8a |
| Independence, MS1 mi W | 17 mi | 345 ft | April 3 | April 19 | October 31 | 7b |
| Senatobia, MS | 18 mi | 240 ft | March 20 | April 5 | November 4 | – |
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 Hernando
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 22 | April 13 | April 6 | March 20 | October 29 | October 16 |
| 32°F | April 12 | April 2 | March 28 | March 6 | November 5 | October 25 |
| 28°F (hard freeze) | April 1 | March 21 | March 13 | February 24 | November 16 | November 2 |
| 24°F | March 20 | March 10 | March 3 | February 10 | November 28 | November 9 |
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.