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 36105
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 36105 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Montgomery (6 mi SW), AL, is 5 miles from the ZIP's center: its last spring frost comes after March 4 in half of years and after March 23 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Montgomery (6 mi SW), AL | 5 mi | 225 ft | March 4 | March 23 | November 18 | – |
| Montgomery, ALMontgomery Airport | 10 mi | 202 ft | March 13 | March 31 | November 13 | 8b |
| Highland Home #2, AL | 19 mi | 555 ft | March 12 | March 30 | November 18 | – |
| Highland Home (2 mi S), AL | 21 mi | 614 ft | March 4 | March 25 | November 26 | – |
| Highland Home, AL | 23 mi | 433 ft | March 31 | April 17 | November 5 | – |
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 Montgomery (6 mi SW)
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 7 | March 27 | March 17 | February 25 | November 6 | October 22 |
| 32°F | March 23 | March 13 | March 4 | February 9 | November 18 | November 1 |
| 28°F (hard freeze) | March 14 | February 28 | February 17 | January 24 | December 4 | November 10 |
| 24°F | February 27 | February 8 | January 31 | January 3 | December 27 | November 24 |
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.