Frost dates for Yucca 1 NNE, AZ
At Yucca 1 NNE, the median last spring frost (32°F) is Feb 18 and the median first fall frost is Dec 2, for a typical growing season of 288 days. For a 90% chance that the last frost has passed, wait until Mar 16. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Feb 18Last spring frost (median)50% chance of 32°F after this date
- Mar 16Safer planting date10% chance of 32°F after this date
- Dec 2First fall frost (median)50% chance of 32°F by this date
- 288 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 9b (25 to 30°F) · see all zone 9b frost dates
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 | Feb 20 | Mar 11 | Apr 9 |
| 32°F | Jan 24 | Feb 18 | Mar 16 |
| 28°F | Dec 20 | Jan 19 | Feb 24 |
| 24°F | Dec 10 | Jan 3 | Feb 6 |
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 | Nov 6 | Nov 20 | Dec 4 |
| 32°F | Nov 16 | Dec 2 | Dec 22 |
| 28°F | Nov 27 | Dec 16 | Jan 12 |
| 24°F | Dec 4 | Dec 26 | Jan 25 |
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 | 218 days | 250 days | 277 days |
| 32°F | 253 days | 288 days | 323 days |
| 28°F | 294 days | 333 days | 365 days |
| 24°F | 334 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 89% |
| 24°F | 42% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 86433 | 9b | 25 to 30°F | 21 km |
| 86438 | 9a | 20 to 25°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 USC00029645, at 34.8775, -114.1344, elevation 594 m (1,950 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 15.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Kingman Mohave Co Airport (46 km)
- Lake Havasu City (46 km)
- Bullhead City (49 km)
- Wikieup (51 km)
- Parker (82 km)
- Diamond M Rch (84 km)
- Alamo Dam (88 km)
- Bagdad (93 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.