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 32311
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 32311 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Tallahassee, FL, is 9 miles from the ZIP's center: its last spring frost comes after March 11 in half of years and after March 30 in one year in ten. By the USDA's method its plant hardiness zone is 9a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Tallahassee, FLTallahassee Regional Airport | 9 mi | 63 ft | March 11 | March 30 | November 21 | 9a |
| Tallahassee Airport, FL | 10 mi | 55 ft | March 14 | April 3 | November 23 | – |
| Monticello (10 mi SW), FL | 12 mi | 219 ft | February 25 | March 17 | December 3 | – |
| Monticello, FL5 mi SE | 25 mi | 98 ft | March 7 | March 25 | November 23 | – |
| Quincy, FL3 mi SSW | 26 mi | 245 ft | March 13 | March 31 | November 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 Tallahassee
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 15 | April 3 | March 25 | March 5 | November 9 | October 24 |
| 32°F | March 30 | March 19 | March 11 | February 18 | November 21 | November 3 |
| 28°F (hard freeze) | March 17 | March 6 | February 25 | January 28 | December 6 | November 15 |
| 24°F | March 3 | February 15 | February 3 | December 31 | December 30 | November 26 |
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.