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 34291
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 34291 in zone 10a (the coldest night of a typical year: 30 to 35°F).
The nearest station, Myakka River State Park, FL, is 11 miles from the ZIP's center: its last spring frost comes after February 1 in half of years and after March 3 in one year in ten. By the USDA's method its plant hardiness zone is 9b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Myakka River State Park, FL | 11 mi | 19 ft | February 1 | March 3 | January 6 | 9b |
| Venice, FL | 14 mi | 8 ft | January 25 | February 15 | January 19 | 10a |
| Punta Gorda (4 mi ESE), FL | 19 mi | 20 ft | January 21 | February 14 | January 14 | 10a |
| Punta Gorda, FLPunta Gorda Charlotte County Airport | 19 mi | 25 ft | January 22 | February 16 | January 10 | 10a |
| Arcadia, FL | 22 mi | 25 ft | February 7 | March 10 | January 4 | 9b |
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 Myakka River State Park
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) | March 19 | March 3 | February 19 | January 19 | December 27 | November 28 |
| 32°F | March 3 | February 11 | February 1 | January 1 | January 6 | December 5 |
| 28°F (hard freeze) | February 10 | January 30 | January 15 | December 29 | January 9 | December 18 |
| 24°F | January 31 | January 17 | January 9 | December 23 | January 8 | December 16 |
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.