Frost dates for Goblin Valley State Park, UT
At Goblin Valley State Park, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Oct 18, for a typical growing season of 173 days. For a 90% chance that the last frost has passed, wait until May 10. Nearby ZIP codes are in USDA hardiness zones 6a to 7a.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 10Safer planting date10% chance of 32°F after this date
- Oct 18First fall frost (median)50% chance of 32°F by this date
- 173 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 24 | May 5 | May 24 |
| 32°F | Apr 10 | Apr 26 | May 10 |
| 28°F | Mar 24 | Apr 11 | Apr 29 |
| 24°F | Mar 7 | Mar 26 | Apr 12 |
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 23 | Oct 7 | Oct 21 |
| 32°F | Oct 2 | Oct 18 | Nov 1 |
| 28°F | Oct 14 | Oct 29 | Nov 10 |
| 24°F | Oct 23 | Nov 7 | Nov 20 |
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 | 131 days | 151 days | 171 days |
| 32°F | 152 days | 173 days | 194 days |
| 28°F | 177 days | 199 days | 219 days |
| 24°F | 202 days | 225 days | 247 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 |
|---|---|---|---|
| 84734 | 7a | 0 to 5°F | 26 km |
| 84775 | 7a | 0 to 5°F | 43 km |
| 84522 | 6b | -5 to 0°F | 55 km |
| 84516 | 6a | -10 to -5°F | 69 km |
| 84525 | 6b | -5 to 0°F | 69 km |
| 84523 | 6b | -5 to 0°F | 69 km |
| 84749 | 6a | -10 to -5°F | 73 km |
| 84773 | 6a | -10 to -5°F | 76 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 USC00423254, at 38.5778, -110.7078, elevation 1512 m (4,960 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 143.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hanksville (23 km)
- Capitol Reef National Park (58 km)
- Hans Flat Ranger Station (58 km)
- Torrey 7 E (59 km)
- Ferron (68 km)
- Salina 24 E (72 km)
- Castle Dale (75 km)
- Canyonlands-The Neck (78 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.