Frost dates for Wahweap, AZ
At Wahweap, the median last spring frost (32°F) is Mar 14 and the median first fall frost is Nov 16, for a typical growing season of 244 days. For a 90% chance that the last frost has passed, wait until Apr 7. Nearby ZIP codes are in USDA hardiness zones 6a to 7b.
- Mar 14Last spring frost (median)50% chance of 32°F after this date
- Apr 7Safer planting date10% chance of 32°F after this date
- Nov 16First fall frost (median)50% chance of 32°F by this date
- 244 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 14 | Apr 5 | Apr 22 |
| 32°F | Feb 25 | Mar 14 | Apr 7 |
| 28°F | Feb 8 | Feb 25 | Mar 12 |
| 24°F | Jan 11 | Feb 8 | Feb 27 |
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 23 | Nov 6 | Nov 17 |
| 32°F | Nov 2 | Nov 16 | Nov 27 |
| 28°F | Nov 13 | Nov 26 | Dec 11 |
| 24°F | Nov 24 | Dec 9 | Dec 27 |
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 | 191 days | 212 days | 234 days |
| 32°F | 218 days | 244 days | 267 days |
| 28°F | 249 days | 274 days | 295 days |
| 24°F | 276 days | 303 days | 332 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 |
|---|---|---|---|
| 86036 | 7b | 5 to 10°F | 37 km |
| 86040 | 7b | 5 to 10°F | 38 km |
| 86053 | 7b | 5 to 10°F | 47 km |
| 86044 | 7a | 0 to 5°F | 68 km |
| 84741 | 7a | 0 to 5°F | 71 km |
| 84736 | 6b | -5 to 0°F | 79 km |
| 84718 | 6a | -10 to -5°F | 83 km |
| 84726 | 7a | 0 to 5°F | 85 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 USC00029114, at 36.9953, -111.4914, elevation 1137 m (3,730 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 81.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Page Muni Airport (9 km)
- Page (9 km)
- Lees Ferry (18 km)
- Betatakin (92 km)
- Tuba City (99 km)
- Bright Angel Ranger Station (101 km)
- Grand Canyon E Entrance (111 km)
- Pipe Spring National Monument (112 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.