Frost dates for Death Valley National Park, CA
At Death Valley National Park, the median last spring frost (32°F) is Jan 1 and the median first fall frost is Dec 19, for a typical growing season of 350 days. For a 90% chance that the last frost has passed, wait until Jan 21. Nearby ZIP codes are in USDA hardiness zone 9a.
- Jan 1Last spring frost (median)50% chance of 32°F after this date
- Jan 21Safer planting date10% chance of 32°F after this date
- Dec 19First fall frost (median)50% chance of 32°F by this date
- 350 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 | Dec 31 | Jan 21 | Feb 11 |
| 32°F | Dec 14 | Jan 1 | Jan 21 |
| 28°F | Dec 13 | Dec 27 | Jan 11 |
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 23 | Dec 7 | Dec 22 |
| 32°F | Dec 4 | Dec 19 | Jan 4 |
| 28°F | Dec 12 | Dec 25 | Jan 8 |
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 | 295 days | 321 days | 344 days |
| 32°F | 329 days | 350 days | 365 days |
| 28°F | 352 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 | 81% |
| 28°F | 24% |
| 24°F | 1% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 92328 | 9a | 20 to 25°F | 14 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 USC00042319, at 36.4622, -116.8669, elevation -59 m (-194 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 9.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Stovepipe Wells 1 SW (29 km)
- Trona (91 km)
- Haiwee (104 km)
- China Lake Naf (114 km)
- Inyokern (124 km)
- Independence (125 km)
- Randsburg (141 km)
- Baker (150 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.