Nevada Frost Dates & Growing Zones by City
Las Vegas is our only Nevada city with frost dates so far: typical (50%) last spring frost Jan 24, typical frost-free season 323 days.
The 2023 USDA hardiness map places them in zones 8b, 9a and 9b.
Dates come from the nearest NOAA station to each city that meets our quality rules, as the methodology explains.
| City | Last frost (50%) | First frost (50%) | Season (days, 50%) | Zone 2023 | Confidence | Planting calendar |
|---|---|---|---|---|---|---|
| Las Vegas frost dates | Jan 24* | Dec 10* | 323 | 8b–9b | Medium | Las Vegas planting calendar |
* Not every winter reaches 32°F here; the date describes the years that do (NOAA conditional probability).
Station match, data and rules: methodology. Long-term odds, not a forecast.