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 64804
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 64804 in zone 7a (the coldest night of a typical year: 0 to 5°F).
The nearest station, Joplin, MO, is 9 miles from the ZIP's center: its last spring frost comes after April 9 in half of years and after April 26 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 |
|---|---|---|---|---|---|---|
| Joplin, MOJoplin Regional Airport | 9 mi | 980 ft | April 9 | April 26 | October 27 | 7a |
| Diamond, MO2 mi W | 9 mi | 1,070 ft | April 18 | May 3 | October 22 | – |
| Neosho, MO | 14 mi | 1,033 ft | April 7 | April 25 | October 31 | 7a |
| Carthage, MO | 16 mi | 978 ft | April 4 | April 20 | October 27 | – |
| Columbus, KS | 21 mi | 893 ft | April 5 | April 22 | October 31 | 7a |
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 Joplin
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 6 | April 28 | April 21 | April 4 | October 18 | October 3 |
| 32°F | April 26 | April 16 | April 9 | March 24 | October 27 | October 12 |
| 28°F (hard freeze) | April 16 | April 4 | March 29 | March 10 | November 4 | October 21 |
| 24°F | April 4 | March 25 | March 17 | February 26 | November 15 | October 31 |
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.