Frost dates for Las Vegas McCarran Airport, NV
At Las Vegas McCarran Airport, the median last spring frost (32°F) is Jan 20 and the median first fall frost is Dec 15, for a typical growing season of 333 days. For a 90% chance that the last frost has passed, wait until Feb 14. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Jan 20Last spring frost (median)50% chance of 32°F after this date
- Feb 14Safer planting date10% chance of 32°F after this date
- Dec 15First fall frost (median)50% chance of 32°F by this date
- 333 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Jan 19 | Feb 11 | Mar 4 |
| 32°F | Dec 20 | Jan 20 | Feb 14 |
| 28°F | Dec 10 | Dec 31 | Jan 29 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Nov 18 | Dec 3 | Dec 17 |
| 32°F | Nov 28 | Dec 15 | Jan 7 |
| 28°F | Dec 6 | Dec 26 | Jan 22 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 268 days | 293 days | 323 days |
| 32°F | 299 days | 333 days | 360 days |
| 28°F | 335 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 94% |
| 28°F | 45% |
| 24°F | 6% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 89119 | 9b | 25 to 30°F | 2 km |
| 89158 | 9b | 25 to 30°F | 4 km |
| 89169 | 9b | 25 to 30°F | 6 km |
| 89120 | 9b | 25 to 30°F | 6 km |
| 89103 | 9a | 20 to 25°F | 6 km |
| 89109 | 9b | 25 to 30°F | 7 km |
| 89074 | 9b | 25 to 30°F | 8 km |
| 89121 | 9b | 25 to 30°F | 8 km |
| 89014 | 9b | 25 to 30°F | 10 km |
| 89122 | 9b | 25 to 30°F | 12 km |
| 89012 | 9b | 25 to 30°F | 13 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USW00023169, at 36.0719, -115.1633, elevation 650 m (2,131 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 10.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Las Vegas WFO (3 km)
- Las Vegas Air Terminal (16 km)
- N Las Vegas (19 km)
- Red Rock Canyon - Spg Mount Rch S (27 km)
- Alan Bible Visitor Center (34 km)
- Goodsprings (35 km)
- Callville Bay (40 km)
- Desert Nwr (44 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.