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 37204
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 37204 in zone 7b (the coldest night of a typical year: 5 to 10°F).
The nearest station, Nashville, TN, is 5 miles from the ZIP's center: its last spring frost comes after March 31 in half of years and after April 16 in one year in ten. By the USDA's method its plant hardiness zone is 7b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Nashville, TNNashville International Airport | 5 mi | 600 ft | March 31 | April 16 | November 3 | 7b |
| Shelby Bottoms Nature, TN | 5 mi | 405 ft | April 1 | April 16 | October 31 | – |
| Nashville Berry Field, TN | 5 mi | 560 ft | April 4 | April 21 | October 31 | – |
| Warner Park, TN | 8 mi | 625 ft | April 6 | April 25 | November 1 | – |
| Brentwood, TN | 8 mi | 707 ft | April 15 | May 4 | October 26 | – |
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 Nashville
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 28 | April 19 | April 11 | March 27 | October 25 | October 13 |
| 32°F | April 16 | April 6 | March 31 | March 13 | November 3 | October 22 |
| 28°F (hard freeze) | April 4 | March 26 | March 17 | February 28 | November 15 | November 2 |
| 24°F | March 23 | March 12 | March 4 | February 13 | November 28 | November 10 |
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.