Frost dates for Greer, AZ
At Greer, the median last spring frost (32°F) is Jun 5 and the median first fall frost is Sep 29, for a typical growing season of 113 days. For a 90% chance that the last frost has passed, wait until Jun 20. Nearby ZIP codes are in USDA hardiness zone 6a.
- Jun 5Last spring frost (median)50% chance of 32°F after this date
- Jun 20Safer planting date10% chance of 32°F after this date
- Sep 29First fall frost (median)50% chance of 32°F by this date
- 113 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 | Jun 5 | Jun 17 | Jul 1 |
| 32°F | May 24 | Jun 5 | Jun 20 |
| 28°F | May 8 | May 23 | Jun 8 |
| 24°F | Apr 26 | May 9 | May 26 |
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 | Sep 4 | Sep 18 | Oct 1 |
| 32°F | Sep 15 | Sep 29 | Oct 9 |
| 28°F | Sep 23 | Oct 5 | Oct 18 |
| 24°F | Oct 3 | Oct 16 | Oct 28 |
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 | 70 days | 92 days | 112 days |
| 32°F | 94 days | 113 days | 131 days |
| 28°F | 115 days | 135 days | 154 days |
| 24°F | 139 days | 159 days | 176 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 85927 | 6a | -10 to -5°F | 4 km |
| 85925 | 6a | -10 to -5°F | 9 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 USC00023683, at 34.0219, -109.4519, elevation 2522 m (8,275 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 198.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Sunrise Mountain (12 km)
- Springerville (20 km)
- Alpine (34 km)
- Mc Nary 2n (39 km)
- Pinetop 2e (45 km)
- Saint Johns (55 km)
- St. Johns Industrial Airport (56 km)
- Show Low Airport (58 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.