Frost dates for San Pasqual Animal Pk, CA
At San Pasqual Animal Pk, the median last spring frost (32°F) is Feb 2 and the median first fall frost is Dec 7, for a typical growing season of 309 days. For a 90% chance that the last frost has passed, wait until Mar 4. Nearby ZIP codes are in USDA hardiness zones 9b to 10a.
- Feb 2Last spring frost (median)50% chance of 32°F after this date
- Mar 4Safer planting date10% chance of 32°F after this date
- Dec 7First fall frost (median)50% chance of 32°F by this date
- 309 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 30 | Mar 5 | Apr 5 |
| 32°F | Dec 31 | Feb 2 | Mar 4 |
| 28°F | Dec 15 | Jan 5 | Feb 7 |
| 24°F | Dec 9 | Dec 28 | Jan 17 |
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 6 | Nov 23 | Dec 11 |
| 32°F | Nov 22 | Dec 7 | Jan 1 |
| 28°F | Dec 2 | Dec 19 | Jan 14 |
| 24°F | Dec 5 | Dec 24 | Jan 10 |
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 | 229 days | 262 days | 300 days |
| 32°F | 275 days | 309 days | 344 days |
| 28°F | 317 days | 348 days | 365 days |
| 24°F | 347 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 98% |
| 28°F | 73% |
| 24°F | 24% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 92025 | 10a | 30 to 35°F | 4 km |
| 92027 | 9b | 25 to 30°F | 4 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 USC00047874, at 33.0956, -116.9975, elevation 128 m (420 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 16.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Escondido #2 (9 km)
- Ramona Airport (10 km)
- Rancho Bernardo (11 km)
- Ramona Fire Dept (13 km)
- Valley Center 1n (15 km)
- Carlsbad Palomar Airport (27 km)
- Vista (27 km)
- Henshaw Dam (27 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.