Frost dates for Yucca Valley, CA
At Yucca Valley, the median last spring frost (32°F) is Mar 14 and the median first fall frost is Nov 28, for a typical growing season of 255 days. For a 90% chance that the last frost has passed, wait until Apr 1. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 14Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 28First fall frost (median)50% chance of 32°F by this date
- 255 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 9a (20 to 25°F) · see all zone 9a frost dates
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 11 | Mar 31 | Apr 24 |
| 32°F | Feb 8 | Mar 14 | Apr 1 |
| 28°F | Dec 26 | Feb 7 | Mar 19 |
| 24°F | Dec 11 | Jan 2 | Feb 13 |
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 25 | Nov 15 | Nov 30 |
| 32°F | Nov 10 | Nov 28 | Dec 12 |
| 28°F | Nov 22 | Dec 8 | Dec 25 |
| 24°F | Dec 5 | Dec 21 | 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 | 195 days | 226 days | 250 days |
| 32°F | 230 days | 255 days | 296 days |
| 28°F | 261 days | 301 days | 344 days |
| 24°F | 315 days | 350 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 | 73% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 92284 | 9a | 20 to 25°F | 5 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 USC00049888, at 34.1294, -116.3878, elevation 990 m (3,249 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 31.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Yucca Mesa (10 km)
- Joshua Tree (11 km)
- Morongo Valley N (17 km)
- Johnson Valley (29 km)
- Twentynine Palms (32 km)
- Palm Springs Regional Airport (35 km)
- Palm Springs (35 km)
- Indio Fire Station (49 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.