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 77904
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 77904 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Victoria Fire Dept #5, TX, is 4 miles from the ZIP's center: its last spring frost comes after February 14 in half of years and after March 13 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Victoria Fire Dept #5, TX | 4 mi | 101 ft | February 14 | March 13 | December 9 | – |
| Victoria, TXVictoria Regional Airport | 6 mi | 115 ft | February 18 | March 14 | December 4 | 9b |
| Victoria Regional Airport, TX | 7 mi | 104 ft | February 4 | March 5 | December 9 | – |
| Coleto Creek Reservoir, TX | 17 mi | 118 ft | February 17 | March 12 | December 8 | 9b |
| Cuero, TX | 23 mi | 214 ft | March 2 | March 24 | November 27 | 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 Victoria Fire Dept #5
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 31 | March 13 | March 3 | February 3 | November 27 | November 6 |
| 32°F | March 13 | February 27 | February 14 | January 17 | December 9 | November 17 |
| 28°F (hard freeze) | March 1 | February 8 | January 28 | December 26 | December 31 | December 2 |
| 24°F | February 19 | January 31 | January 16 | December 19 | January 7 | December 12 |
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.