Frost dates for Stayton, OR
At Stayton, the median last spring frost (32°F) is Mar 29 and the median first fall frost is Nov 6, for a typical growing season of 222 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 29Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 222 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 | Apr 5 | Apr 26 | May 12 |
| 32°F | Mar 5 | Mar 29 | Apr 18 |
| 28°F | Feb 1 | Mar 1 | Mar 26 |
| 24°F | Dec 17 | Jan 31 | Mar 1 |
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 4 | Oct 22 | Nov 10 |
| 32°F | Oct 20 | Nov 6 | Nov 26 |
| 28°F | Nov 1 | Nov 22 | Dec 18 |
| 24°F | Nov 14 | Dec 10 | Jan 17 |
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 | 152 days | 177 days | 205 days |
| 32°F | 194 days | 222 days | 255 days |
| 28°F | 231 days | 267 days | 309 days |
| 24°F | 275 days | 317 days | 362 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 91% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 97325 | 8b | 15 to 20°F | 6 km |
| 97383 | 8b | 15 to 20°F | 7 km |
| 97392 | 8b | 15 to 20°F | 9 km |
| 97352 | 8b | 15 to 20°F | 17 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 USC00358095, at 44.7894, -122.8150, elevation 130 m (425 ft).
- Data quality: Standard (24+ years of data), 25 years of freeze data.
- Average days per year at or below 32°F: 50.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Silver Creek Falls (16 km)
- Salem McNary Field (20 km)
- Lacomb 3 NNE (20 km)
- Silverton (24 km)
- Scotts Mills 9 SE (29 km)
- Lebanon (29 km)
- Corvallis State Univ (34 km)
- Dallas 2 NE (41 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.