Frost dates for King City, CA
At King City, the median last spring frost (32°F) is Feb 23 and the median first fall frost is Nov 22, for a typical growing season of 271 days. For a 90% chance that the last frost has passed, wait until Mar 31. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Feb 23Last spring frost (median)50% chance of 32°F after this date
- Mar 31Safer planting date10% chance of 32°F after this date
- Nov 22First fall frost (median)50% chance of 32°F by this date
- 271 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 7 | Apr 29 |
| 32°F | Jan 19 | Feb 23 | Mar 31 |
| 28°F | Dec 18 | Jan 22 | Feb 21 |
| 24°F | Dec 6 | 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 | Oct 17 | Nov 4 | Nov 22 |
| 32°F | Nov 1 | Nov 22 | Dec 11 |
| 28°F | Nov 19 | Dec 6 | Jan 10 |
| 24°F | Dec 1 | Dec 17 | Jan 15 |
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 | 184 days | 213 days | 245 days |
| 32°F | 233 days | 271 days | 308 days |
| 28°F | 287 days | 326 days | 357 days |
| 24°F | 331 days | 362 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 92% |
| 24°F | 54% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 93930 | 9a | 20 to 25°F | 5 km |
| 93927 | 9b | 25 to 30°F | 24 km |
| 93932 | 9a | 20 to 25°F | 25 km |
| 93928 | 9a | 20 to 25°F | 33 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 USC00044555, at 36.2069, -121.1378, elevation 98 m (320 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 27.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pinnacles National Monument (31 km)
- Priest Valley (40 km)
- Big Sur Station (58 km)
- Hearst Castle (58 km)
- Paicines 4 W (60 km)
- Carmel Valley (61 km)
- Salinas Municipal Airport (66 km)
- Salinas #2 (69 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.