Frost dates for Torrance Airport, CA
At Torrance Airport, the median last spring frost (32°F) is Jan 9 and the median first fall frost is Jan 5, for a typical growing season of 365 days. For a 90% chance that the last frost has passed, wait until Feb 24. Nearby ZIP codes are in USDA hardiness zone 10b.
- Jan 9Last spring frost (median)50% chance of 32°F after this date
- Feb 24Safer planting date10% chance of 32°F after this date
- Jan 5First fall frost (median)50% chance of 32°F by this date
- 365 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 | Dec 12 | Jan 17 | Mar 5 |
| 32°F | Dec 4 | Jan 9 | Feb 24 |
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 | Dec 1 | Dec 31 | Feb 20 |
| 32°F | Dec 3 | Jan 5 | Feb 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 | 304 days | 358 days | 365 days |
| 32°F | 364 days | 365 days | 365 days |
| 28°F | 365 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 | 59% |
| 32°F | 11% |
| 28°F | 1% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 90505 | 10b | 35 to 40°F | 1 km |
| 90717 | 10b | 35 to 40°F | 2 km |
| 90274 | 10b | 35 to 40°F | 4 km |
| 90710 | 10b | 35 to 40°F | 4 km |
| 90501 | 10b | 35 to 40°F | 4 km |
| 90502 | 10b | 35 to 40°F | 6 km |
| 90275 | 10b | 35 to 40°F | 6 km |
| 90745 | 10b | 35 to 40°F | 7 km |
| 90732 | 10b | 35 to 40°F | 8 km |
| 90744 | 10b | 35 to 40°F | 8 km |
| 90731 | 10b | 35 to 40°F | 10 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 USW00003122, at 33.8017, -118.3411, elevation 27 m (90 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 1.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Redondo Beach (5 km)
- Hawthorne Muni Airport (13 km)
- Los Angeles Intl Airport (16 km)
- Long Beach Daugherty Field (18 km)
- Culver City (24 km)
- Santa Monica Muni Airport (26 km)
- Santa Monica Pier (27 km)
- Los Angeles Dwtn Usc Campus (29 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.