Frost dates for Childs, AZ
At Childs, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 11, for a typical growing season of 223 days. For a 90% chance that the last frost has passed, wait until Apr 20. Nearby ZIP codes are in USDA hardiness zones 8a to 9a.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 20Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 223 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 20 | May 8 |
| 32°F | Mar 9 | Apr 2 | Apr 20 |
| 28°F | Feb 11 | Mar 5 | Apr 4 |
| 24°F | Jan 8 | Feb 15 | Mar 9 |
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 19 | Nov 3 | Nov 14 |
| 32°F | Oct 27 | Nov 11 | Nov 24 |
| 28°F | Nov 6 | Nov 22 | Dec 7 |
| 24°F | Nov 16 | Dec 2 | Dec 24 |
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 | 171 days | 194 days | 213 days |
| 32°F | 199 days | 223 days | 250 days |
| 28°F | 228 days | 259 days | 287 days |
| 24°F | 259 days | 293 days | 329 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 86322 | 8b | 15 to 20°F | 17 km |
| 85544 | 8a | 10 to 15°F | 21 km |
| 86335 | 8a | 10 to 15°F | 33 km |
| 85541 | 8b | 15 to 20°F | 35 km |
| 86333 | 8b | 15 to 20°F | 35 km |
| 85324 | 9a | 20 to 25°F | 40 km |
| 86327 | 8a | 10 to 15°F | 44 km |
| 86325 | 8b | 15 to 20°F | 46 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 USC00021614, at 34.3494, -111.6981, elevation 808 m (2,650 ft).
- Data quality: Representative (10+ years), 11 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
- Natural Brg (23 km)
- Montezuma Castle National Monument (32 km)
- Payson (35 km)
- Cordes (43 km)
- Happy Jack Ranger Station (51 km)
- Blue Ridge Ranger Station (55 km)
- Tuzigoot (56 km)
- Jerome (59 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.