Frost dates in Routt County, Colorado
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The average last spring frost in Routt County falls Jun 1 to Jun 14 and the average first fall frost Sep 11 to Sep 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Hayden, McCoy, Oak Creek, Phippsburg, Steamboat Springs, Yampa. 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 |
|---|---|---|---|---|
| 80428 | Jun 9 | Sep 12 | 5a | |
| 80463 | McCoy | Jun 14 | Sep 11 | 5b |
| 80467 | Oak Creek | Jun 14 | Sep 11 | 5a |
| 80469 | Phippsburg | Jun 14 | Sep 11 | 5a |
| 80479 | Jun 14 | Sep 11 | 5a | |
| 80483 | Yampa | Jun 14 | Sep 11 | 5a |
| 80487 | Steamboat Springs | Jun 9 | Sep 12 | 5b |
| 81639 | Hayden | Jun 1 | Sep 20 | 5a |
| 81653 | Jun 1 | Sep 18 | 5b |
Nearby counties
Jackson County Eagle County Grand County Moffat County Garfield County Summit County
All Colorado counties · Download Colorado frost dates (CSV)
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