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 89048
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 89048 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Pahrump, NV, is 8 miles from the ZIP's center: its last spring frost comes after March 29 in half of years and after April 21 in one year in ten. By the USDA's method its plant hardiness zone is 8b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Pahrump, NV4 mi NW | 8 mi | 2,573 ft | March 29 | April 21 | November 3 | 8b |
| Mount Charleston, NVMount Charleston Fire Station | 20 mi | 7,460 ft | May 31 | June 14 | October 2 | 6b |
| Red Rock Canyon - Spring Mount Ranch S, NV | 30 mi | 3,780 ft | March 13 | April 11 | November 15 | – |
| Mercury Desert Rock Airport, NV | 32 mi | 3,230 ft | March 16 | April 9 | November 17 | 9a |
| Mercury (3 mi SSW), NV | 32 mi | 3,284 ft | March 10 | April 8 | November 19 | 8b |
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 Pahrump
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) | May 2 | April 22 | April 14 | March 25 | October 24 | October 9 |
| 32°F | April 21 | April 7 | March 29 | March 6 | November 3 | October 18 |
| 28°F (hard freeze) | April 2 | March 15 | March 6 | February 16 | November 13 | October 28 |
| 24°F | March 6 | February 25 | February 16 | January 28 | November 22 | November 6 |
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.