Frost dates for De Sabla, CA
At De Sabla, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Nov 11, for a typical growing season of 206 days. For a 90% chance that the last frost has passed, wait until May 11. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Apr 17Last spring frost (median)50% chance of 32°F after this date
- May 11Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 206 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 | Apr 17 | May 5 | Jun 1 |
| 32°F | Mar 23 | Apr 17 | May 11 |
| 28°F | Feb 5 | Mar 20 | Apr 20 |
| 24°F | Dec 13 | Feb 3 | Mar 23 |
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 4 | Oct 28 | Nov 11 |
| 32°F | Oct 21 | Nov 11 | Nov 28 |
| 28°F | Nov 6 | Nov 27 | Dec 17 |
| 24°F | Nov 19 | Dec 19 | Feb 9 |
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 | 137 days | 171 days | 199 days |
| 32°F | 174 days | 206 days | 237 days |
| 28°F | 213 days | 252 days | 300 days |
| 24°F | 273 days | 324 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 84% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95954 | 8b | 15 to 20°F | 3 km |
| 95942 | 9a | 20 to 25°F | 7 km |
| 95978 | 8b | 15 to 20°F | 8 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 USC00042402, at 39.8717, -121.6108, elevation 826 m (2,710 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 63.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Paradise (13 km)
- Chico Univ Farm (27 km)
- Oroville (40 km)
- Oroville Muni Airport (42 km)
- Orland (52 km)
- Mineral (53 km)
- Strawberry Valley (55 km)
- Canyon Dam (56 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.