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 77713
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 77713 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Beaumont Research Center, TX, is 2 miles from the ZIP's center: its last spring frost comes after February 18 in half of years and after March 15 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 |
|---|---|---|---|---|---|---|
| Beaumont Research Center, TX | 2 mi | 27 ft | February 18 | March 15 | December 2 | 9b |
| Beaumont City, TX | 10 mi | 20 ft | February 14 | March 11 | December 4 | 9b |
| Lumberton, TX | 13 mi | 39 ft | February 25 | March 18 | November 30 | 9a |
| Beaumont, TXPort Arthur SE TX Regional Airport | 16 mi | 16 ft | February 14 | March 13 | December 7 | 9b |
| Anahuac, TX | 30 mi | 24 ft | February 12 | March 10 | December 6 | 9a |
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 Beaumont Research Center
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 26 | March 14 | March 5 | February 8 | November 18 | November 1 |
| 32°F | March 15 | March 1 | February 18 | January 20 | December 2 | November 9 |
| 28°F (hard freeze) | March 1 | February 8 | January 29 | December 28 | December 29 | November 28 |
| 24°F | February 19 | January 28 | January 14 | December 22 | January 6 | December 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.