Frost dates for Draper-Point Of Mountain, UT
At Draper-Point Of Mountain, the median last spring frost (32°F) is Apr 18 and the median first fall frost is Oct 22, for a typical growing season of 185 days. For a 90% chance that the last frost has passed, wait until May 6. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 18Last spring frost (median)50% chance of 32°F after this date
- May 6Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 185 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 17 | May 2 | May 22 |
| 32°F | Mar 31 | Apr 18 | May 6 |
| 28°F | Mar 7 | Mar 31 | Apr 17 |
| 24°F | Feb 19 | Mar 8 | Apr 2 |
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 27 | Oct 10 | Oct 23 |
| 32°F | Oct 7 | Oct 22 | Nov 5 |
| 28°F | Oct 18 | Nov 2 | Nov 18 |
| 24°F | Oct 26 | Nov 13 | Dec 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 | 132 days | 158 days | 181 days |
| 32°F | 162 days | 185 days | 209 days |
| 28°F | 191 days | 216 days | 244 days |
| 24°F | 219 days | 248 days | 274 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 |
|---|---|---|---|
| 84020 | 7a | 0 to 5°F | 3 km |
| 84065 | 7a | 0 to 5°F | 4 km |
| 84095 | 7a | 0 to 5°F | 9 km |
| 84070 | 7b | 5 to 10°F | 10 km |
| 84009 | 7a | 0 to 5°F | 12 km |
| 84088 | 7b | 5 to 10°F | 13 km |
| 84096 | 7a | 0 to 5°F | 17 km |
| 84081 | 7b | 5 to 10°F | 17 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 USC00422235, at 40.4878, -111.8997, elevation 1373 m (4,506 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 116.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Alpine (11 km)
- Utah Lake Lehi (14 km)
- Timpanogos Cave (17 km)
- Cottonwood Weir (18 km)
- Pleasant Grove (19 km)
- Alta (25 km)
- Orem Trtmt Plant (27 km)
- Salt Lake City E Bench (29 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.