Frost dates for Visalia, CA
At Visalia, the median last spring frost (32°F) is Jan 23 and the median first fall frost is Dec 13, for a typical growing season of 328 days. For a 90% chance that the last frost has passed, wait until Feb 27. Nearby ZIP codes are in USDA hardiness zone 9b.
- Jan 23Last spring frost (median)50% chance of 32°F after this date
- Feb 27Safer planting date10% chance of 32°F after this date
- Dec 13First fall frost (median)50% chance of 32°F by this date
- 328 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 26 | Feb 27 | Apr 2 |
| 32°F | Dec 29 | Jan 23 | Feb 27 |
| 28°F | Dec 16 | Jan 2 | Jan 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 | Nov 15 | Nov 29 | Dec 16 |
| 32°F | Nov 27 | Dec 13 | Jan 8 |
| 28°F | Dec 9 | Dec 25 | Jan 12 |
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 | 236 days | 274 days | 310 days |
| 32°F | 289 days | 328 days | 359 days |
| 28°F | 338 days | 364 days | 365 days |
| 24°F | 363 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 93% |
| 28°F | 51% |
| 24°F | 10% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 93277 | 9b | 25 to 30°F | 7 km |
| 93223 | 9b | 25 to 30°F | 9 km |
| 93292 | 9b | 25 to 30°F | 9 km |
| 93235 | 9b | 25 to 30°F | 9 km |
| 93291 | 9b | 25 to 30°F | 10 km |
| 93227 | 9b | 25 to 30°F | 11 km |
| 93670 | 9b | 25 to 30°F | 18 km |
| 93274 | 9b | 25 to 30°F | 18 km |
| 93615 | 9b | 25 to 30°F | 20 km |
| 93618 | 9b | 25 to 30°F | 23 km |
| 93666 | 9b | 25 to 30°F | 24 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 USC00049367, at 36.3283, -119.2997, elevation 92 m (303 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 9.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lemon Cove (25 km)
- Lindsay (26 km)
- Hanford Muni Airport (30 km)
- Hanford 1 S (30 km)
- Corcoran Irrig Dist (36 km)
- Porterville (38 km)
- Three Rivers Edison Ph 1 (42 km)
- Ash Mountain (46 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.