Frost dates for Searchlight, NV
At Searchlight, the median last spring frost (32°F) is Mar 7 and the median first fall frost is Nov 29, for a typical growing season of 266 days. For a 90% chance that the last frost has passed, wait until Apr 10. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Mar 7Last spring frost (median)50% chance of 32°F after this date
- Apr 10Safer planting date10% chance of 32°F after this date
- Nov 29First fall frost (median)50% chance of 32°F by this date
- 266 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 | Mar 5 | Apr 1 | May 1 |
| 32°F | Feb 8 | Mar 7 | Apr 10 |
| 28°F | Jan 1 | Feb 11 | Mar 8 |
| 24°F | Dec 9 | Jan 15 | Feb 20 |
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 | Oct 28 | Nov 17 | Dec 2 |
| 32°F | Nov 7 | Nov 29 | Dec 17 |
| 28°F | Nov 20 | Dec 11 | Jan 11 |
| 24°F | Nov 29 | Dec 27 | Feb 5 |
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 | 192 days | 226 days | 258 days |
| 32°F | 226 days | 266 days | 303 days |
| 28°F | 273 days | 312 days | 348 days |
| 24°F | 316 days | 353 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 98% |
| 24°F | 67% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 89046 | 9b | 25 to 30°F | 11 km |
| 89039 | 9a | 20 to 25°F | 23 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 USC00267369, at 35.4661, -114.9217, elevation 1079 m (3,540 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 23.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Laughlin (45 km)
- Alan Bible Visitor Center (62 km)
- Goodsprings (62 km)
- Las Vegas WFO (69 km)
- Las Vegas McCarran Airport (71 km)
- Callville Bay (77 km)
- Red Rock Canyon - Spg Mount Rch S (83 km)
- Las Vegas Air Terminal (87 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.