Frost dates for Bakersfield Airport, CA
At Bakersfield Airport, the median last spring frost (32°F) is Jan 17 and the median first fall frost is Dec 15, for a typical growing season of 334 days. For a 90% chance that the last frost has passed, wait until Feb 18. Nearby ZIP codes are in USDA hardiness zone 9b.
- Jan 17Last spring frost (median)50% chance of 32°F after this date
- Feb 18Safer planting date10% chance of 32°F after this date
- Dec 15First fall frost (median)50% chance of 32°F by this date
- 334 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 | Jan 19 | Feb 21 | Mar 26 |
| 32°F | Dec 23 | Jan 17 | Feb 18 |
| 28°F | Dec 14 | Jan 2 | Jan 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 | Nov 16 | Dec 1 | Dec 20 |
| 32°F | Nov 30 | Dec 15 | Jan 12 |
| 28°F | Dec 7 | Dec 24 | Jan 13 |
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 | 248 days | 284 days | 319 days |
| 32°F | 301 days | 334 days | 361 days |
| 28°F | 339 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 | 90% |
| 28°F | 41% |
| 24°F | 8% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 93308 | 9b | 25 to 30°F | 16 km |
| 93306 | 9b | 25 to 30°F | 25 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 USW00023155, at 35.4344, -119.0542, elevation 149 m (489 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 10.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Bakersfield 5 NW (2 km)
- Shafter 6e (10 km)
- Wasco (32 km)
- Buttonwillow (38 km)
- Delano (42 km)
- Glennville (46 km)
- Taft (46 km)
- Loraine 5 NNE (58 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.