Frost dates for Lodi, CA
At Lodi, the median last spring frost (32°F) is Feb 9 and the median first fall frost is Dec 5, for a typical growing season of 301 days. For a 90% chance that the last frost has passed, wait until Mar 7. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 9Last spring frost (median)50% chance of 32°F after this date
- Mar 7Safer planting date10% chance of 32°F after this date
- Dec 5First fall frost (median)50% chance of 32°F by this date
- 301 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 | Feb 9 | Mar 11 | Apr 20 |
| 32°F | Jan 2 | Feb 9 | Mar 7 |
| 28°F | Dec 12 | Jan 12 | Feb 18 |
| 24°F | Dec 13 | Jan 3 | Feb 6 |
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 5 | Nov 19 | Dec 4 |
| 32°F | Nov 17 | Dec 5 | Jan 3 |
| 28°F | Nov 30 | Dec 20 | Jan 24 |
| 24°F | Dec 9 | Jan 1 | Jan 31 |
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 | 211 days | 251 days | 285 days |
| 32°F | 264 days | 301 days | 339 days |
| 28°F | 308 days | 348 days | 365 days |
| 24°F | 351 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 | 23% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95258 | 9b | 25 to 30°F | 8 km |
| 95212 | 9b | 25 to 30°F | 8 km |
| 95242 | 9b | 25 to 30°F | 9 km |
| 95253 | 9b | 25 to 30°F | 9 km |
| 95240 | 9b | 25 to 30°F | 11 km |
| 95220 | 9b | 25 to 30°F | 11 km |
| 95237 | 9b | 25 to 30°F | 13 km |
| 95632 | 9b | 25 to 30°F | 19 km |
| 95686 | 9b | 25 to 30°F | 21 km |
| 95236 | 9b | 25 to 30°F | 23 km |
| 95680 | 9b | 25 to 30°F | 30 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 USC00045032, at 38.1061, -121.2878, elevation 12 m (40 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 20.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Stockton Fire Station 4 (12 km)
- Stockton Metro Airport (25 km)
- Camp Pardee (42 km)
- Antioch Pumping Plant #3 (43 km)
- Tracy Pumping Plant (43 km)
- Tracy Carbona (47 km)
- Sacramento Executive Airport (48 km)
- Sacramento 5 ESE (51 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.