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 89147
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 89147 in zone 9a (the coldest night of a typical year: 20 to 25°F).
The nearest station, Enterprise, NV, is 7 miles from the ZIP's center: its last spring frost comes after February 4 in half of years and after February 27 in one year in ten. By the USDA's method its plant hardiness zone is 9a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Enterprise, NVLas Vegas Weather Office | 7 mi | 2,275 ft | February 4 | February 27 | December 5 | 9a |
| Las Vegas, NVHarry Reid International Airport | 7 mi | 2,131 ft | January 20 | February 14 | December 15 | 9b |
| Las Vegas Air Terminal, NV | 8 mi | 2,203 ft | January 24 | February 19 | December 10 | 9b |
| Red Rock Canyon - Spring Mount Ranch S, NV | 11 mi | 3,780 ft | March 13 | April 11 | November 15 | – |
| North Las Vegas, NV | 12 mi | 1,898 ft | February 1 | February 24 | December 8 | – |
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 Enterprise
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 12 | March 2 | February 24 | February 3 | November 23 | November 9 |
| 32°F | February 27 | February 14 | February 4 | January 10 | December 5 | November 19 |
| 28°F (hard freeze) | February 11 | January 25 | January 13 | December 17 | December 20 | November 29 |
| 24°F | January 24 | January 11 | January 3 | December 15 | December 31 | December 11 |
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.