Frost dates for Punkin Center, AZ
At Punkin Center, the median last spring frost (32°F) is Mar 7 and the median first fall frost is Nov 20, for a typical growing season of 255 days. For a 90% chance that the last frost has passed, wait until Mar 27. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Mar 7Last spring frost (median)50% chance of 32°F after this date
- Mar 27Safer planting date10% chance of 32°F after this date
- Nov 20First fall frost (median)50% chance of 32°F by this date
- 255 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 11 | Mar 27 | Apr 16 |
| 32°F | Feb 13 | Mar 7 | Mar 27 |
| 28°F | Jan 20 | Feb 15 | Mar 7 |
| 24°F | Dec 28 | Jan 26 | Feb 21 |
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 25 | Nov 10 | Nov 22 |
| 32°F | Nov 3 | Nov 20 | Dec 3 |
| 28°F | Nov 16 | Dec 1 | Dec 17 |
| 24°F | Nov 27 | Dec 15 | Jan 5 |
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 | 200 days | 224 days | 248 days |
| 32°F | 228 days | 255 days | 281 days |
| 28°F | 262 days | 286 days | 316 days |
| 24°F | 290 days | 323 days | 353 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 97% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 85553 | 9a | 20 to 25°F | 10 km |
| 85263 | 9b | 25 to 30°F | 25 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 USC00026840, at 33.8556, -111.3064, elevation 709 m (2,325 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 52.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Roosevelt 1 S (29 km)
- Mormon Flat (36 km)
- Stewart Mountain Dam (39 km)
- Pleasant Valley (42 km)
- Payson (42 km)
- Apache Junction 5 NE (47 km)
- Fountain Hills (47 km)
- Pinnacle Peak (53 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.