Frost dates for Sacramento Metro Airport, CA
At Sacramento Metro Airport, the median last spring frost (32°F) is Feb 22 and the median first fall frost is Nov 24, for a typical growing season of 277 days. For a 90% chance that the last frost has passed, wait until Apr 1. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 22Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 24First fall frost (median)50% chance of 32°F by this date
- 277 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 | Mar 2 | Apr 1 | Apr 22 |
| 32°F | Jan 10 | Feb 22 | Apr 1 |
| 28°F | Dec 17 | Jan 17 | Feb 19 |
| 24°F | Dec 10 | Dec 30 | Jan 28 |
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 | Oct 24 | Nov 10 | Nov 25 |
| 32°F | Nov 9 | Nov 24 | Dec 21 |
| 28°F | Nov 21 | Dec 10 | Jan 18 |
| 24°F | Dec 1 | Dec 19 | Jan 16 |
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 | 197 days | 224 days | 256 days |
| 32°F | 236 days | 277 days | 324 days |
| 28°F | 299 days | 335 days | 365 days |
| 24°F | 339 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 99% |
| 28°F | 81% |
| 24°F | 35% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 95837 | 9b | 25 to 30°F | 1 km |
| 95835 | 9b | 25 to 30°F | 6 km |
| 95691 | 9b | 25 to 30°F | 8 km |
| 95834 | 9b | 25 to 30°F | 9 km |
| 95626 | 9b | 25 to 30°F | 10 km |
| 95833 | 9b | 25 to 30°F | 11 km |
| 95673 | 9b | 25 to 30°F | 11 km |
| 95668 | 9b | 25 to 30°F | 17 km |
| 95659 | 9b | 25 to 30°F | 18 km |
| 95747 | 9b | 25 to 30°F | 21 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 USW00093225, at 38.6956, -121.5897, elevation 7 m (23 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 23.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Woodland 1 WNW (18 km)
- Sacramento 5 ESE (22 km)
- Sacramento Executive Airport (23 km)
- Davis 2 WSW Exp. Farm (24 km)
- Winters (39 km)
- Lake Solano (43 km)
- Marysville Yuba Co Airport (45 km)
- Vacaville (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.