Frost dates for Sedona, AZ
At Sedona, the median last spring frost (32°F) is Apr 1 and the median first fall frost is Nov 17, for a typical growing season of 229 days. For a 90% chance that the last frost has passed, wait until Apr 19. Nearby ZIP codes are in USDA hardiness zone 8b.
- Apr 1Last spring frost (median)50% chance of 32°F after this date
- Apr 19Safer planting date10% chance of 32°F after this date
- Nov 17First fall frost (median)50% chance of 32°F by this date
- 229 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 8b (15 to 20°F) · see all zone 8b frost dates
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 31 | Apr 17 | May 1 |
| 32°F | Mar 6 | Apr 1 | Apr 19 |
| 28°F | Feb 1 | Mar 6 | Apr 6 |
| 24°F | Jan 2 | Feb 5 | Mar 13 |
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 18 | Nov 5 | Nov 23 |
| 32°F | Oct 28 | Nov 17 | Dec 3 |
| 28°F | Nov 6 | Nov 27 | Dec 13 |
| 24°F | Nov 20 | Dec 8 | Dec 25 |
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 | 176 days | 201 days | 227 days |
| 32°F | 202 days | 229 days | 261 days |
| 28°F | 229 days | 265 days | 299 days |
| 24°F | 265 days | 304 days | 342 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 86336 | 8b | 15 to 20°F | 9 km |
| 86351 | 8b | 15 to 20°F | 13 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 USC00027708, at 34.8956, -111.7644, elevation 1286 m (4,220 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 56.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Oak Creek Canyon (7 km)
- Mund's Park (12 km)
- Tuzigoot (28 km)
- Flagstaff Pulliam Airport (29 km)
- Flagstaff 4 SW (30 km)
- Montezuma Castle National Monument (32 km)
- Jerome (35 km)
- Happy Jack Ranger Station (36 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.