Frost dates for Cherry Valley Dam, CA
At Cherry Valley Dam, the median last spring frost (32°F) is May 2 and the median first fall frost is Nov 4, for a typical growing season of 183 days. For a 90% chance that the last frost has passed, wait until May 29. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- May 2Last spring frost (median)50% chance of 32°F after this date
- May 29Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 183 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 | May 1 | May 21 | Jun 9 |
| 32°F | Apr 14 | May 2 | May 29 |
| 28°F | Mar 23 | Apr 16 | May 10 |
| 24°F | Feb 15 | Mar 27 | Apr 21 |
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 1 | Oct 19 | Nov 7 |
| 32°F | Oct 15 | Nov 4 | Nov 22 |
| 28°F | Nov 1 | Nov 20 | Dec 7 |
| 24°F | Nov 15 | Dec 5 | Dec 24 |
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 | 124 days | 153 days | 180 days |
| 32°F | 151 days | 183 days | 210 days |
| 28°F | 186 days | 217 days | 248 days |
| 24°F | 218 days | 251 days | 293 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95335 | 8a | 10 to 15°F | 23 km |
| 95375 | 7b | 5 to 10°F | 28 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 USC00041697, at 37.9747, -119.9161, elevation 1452 m (4,765 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 87.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hetch Hetchy (12 km)
- Yosemite Village 12 W (25 km)
- Groveland 2 (31 km)
- Yosemite Park HQ (38 km)
- Sonora (41 km)
- Calaveras Big Trees (48 km)
- New Melones Dam HQ (50 km)
- Tuolumne Meadows Ranger Station (51 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.