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 65202
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 65202 in zone 6b (the coldest night of a typical year: -5 to 0°F).
The nearest station, Columbia U Of M, MO, is 5 miles from the ZIP's center: its last spring frost comes after April 5 in half of years and after April 21 in one year in ten. By the USDA's method its plant hardiness zone is 6b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Columbia U Of M, MO | 5 mi | 770 ft | April 5 | April 21 | October 31 | 6b |
| Columbia, MOColumbia Regional Airport | 14 mi | 893 ft | April 7 | April 21 | October 29 | 6b |
| Fulton, MO | 22 mi | 770 ft | April 10 | April 30 | October 24 | 6b |
| Boonville, MO | 24 mi | 752 ft | April 12 | April 27 | October 25 | – |
| New Franklin, MO1 mi W | 25 mi | 641 ft | April 13 | April 29 | October 22 | 6a |
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 Columbia U Of M
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 4 | April 24 | April 18 | April 2 | October 20 | October 6 |
| 32°F | April 21 | April 12 | April 5 | March 19 | October 31 | October 17 |
| 28°F (hard freeze) | April 11 | April 2 | March 26 | March 8 | November 9 | October 27 |
| 24°F | March 31 | March 23 | March 15 | February 27 | November 19 | November 5 |
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.