Frost dates in Gunnison County, Colorado
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The average last spring frost in Gunnison County falls May 3 to Jun 21 and the average first fall frost Sep 5 to Oct 12, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 6a. Places: Crested Butte, Gunnison, Mount Crested Butte, Pitkin, Somerset. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 81210 | Jun 20 | Sep 8 | 5a | |
| 81220 | Jun 20 | Sep 10 | 5b | |
| 81224 | Crested Butte | Jun 20 | Sep 8 | 5a |
| 81225 | Mount Crested Butte | Jun 2 | Sep 23 | 5a |
| 81230 | Gunnison | Jun 21 | Sep 5 | 5b |
| 81237 | Jun 20 | Sep 8 | 5a | |
| 81239 | Jun 21 | Sep 5 | 4b | |
| 81241 | Pitkin | Jun 20 | Sep 8 | 5a |
| 81243 | Jun 9 | Sep 16 | 5b | |
| 81434 | Somerset | May 3 | Oct 12 | 6a |
Nearby counties
Chaffee County Pitkin County Lake County Hinsdale County Delta County Ouray County
All Colorado counties · Download Colorado frost dates (CSV)
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