Frost dates for Cochetopa Creek, CO
At Cochetopa Creek, the median last spring frost (32°F) is Jun 21 and the median first fall frost is Sep 5, for a typical growing season of 74 days. For a 90% chance that the last frost has passed, wait until Jul 7. Nearby ZIP codes are in USDA hardiness zone 4b.
- Jun 21Last spring frost (median)50% chance of 32°F after this date
- Jul 7Safer planting date10% chance of 32°F after this date
- Sep 5First fall frost (median)50% chance of 32°F by this date
- 74 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 |
|---|---|---|---|
| 32°F | Jun 7 | Jun 21 | Jul 7 |
| 28°F | May 24 | Jun 7 | Jun 22 |
| 24°F | May 7 | May 23 | Jun 9 |
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 |
|---|---|---|---|
| 32°F | Aug 21 | Sep 5 | Sep 16 |
| 28°F | Sep 4 | Sep 16 | Sep 26 |
| 24°F | Sep 13 | Sep 26 | Oct 6 |
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 | 25 days | 44 days | 64 days |
| 32°F | 52 days | 74 days | 92 days |
| 28°F | 81 days | 100 days | 117 days |
| 24°F | 105 days | 124 days | 143 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 |
|---|---|---|---|
| 81239 | 4b | -25 to -20°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 USC00051713, at 38.4431, -106.7617, elevation 2440 m (8,006 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 246.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Gunnison 3sw (20 km)
- Sargents (30 km)
- Blue Mesa Lake (35 km)
- Taylor Park (44 km)
- Crested Butte (51 km)
- Lake City 1nne (64 km)
- Salida (66 km)
- Saguache (67 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.