Frost dates for Lees Ferry, AZ
At Lees Ferry, the median last spring frost (32°F) is Mar 5 and the median first fall frost is Nov 19, for a typical growing season of 257 days. For a 90% chance that the last frost has passed, wait until Mar 26. Nearby ZIP codes are in USDA hardiness zone 7b.
- Mar 5Last spring frost (median)50% chance of 32°F after this date
- Mar 26Safer planting date10% chance of 32°F after this date
- Nov 19First fall frost (median)50% chance of 32°F by this date
- 257 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 4 | Mar 21 | Apr 12 |
| 32°F | Feb 18 | Mar 5 | Mar 26 |
| 28°F | Feb 3 | Feb 21 | Mar 8 |
| 24°F | Jan 15 | Feb 8 | Feb 28 |
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 26 | Nov 10 | Nov 21 |
| 32°F | Nov 4 | Nov 19 | Dec 1 |
| 28°F | Nov 14 | Nov 29 | Dec 14 |
| 24°F | Nov 27 | Dec 11 | Jan 1 |
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 | 204 days | 231 days | 253 days |
| 32°F | 229 days | 257 days | 278 days |
| 28°F | 256 days | 280 days | 304 days |
| 24°F | 280 days | 309 days | 336 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 |
|---|---|---|---|
| 86036 | 7b | 5 to 10°F | 21 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 USC00024849, at 36.8644, -111.6022, elevation 978 m (3,210 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 69.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Page (15 km)
- Page Muni Airport (15 km)
- Wahweap (18 km)
- Bright Angel Ranger Station (83 km)
- Tuba City (88 km)
- Grand Canyon E Entrance (94 km)
- Phantom Rch (95 km)
- Betatakin (97 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.