Frost dates in Rio Grande County, Colorado
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The average last spring frost in Rio Grande County falls May 23 to Jun 11 and the average first fall frost Sep 13 to Sep 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Del Norte, Monte Vista, South Fork. 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 |
|---|---|---|---|---|
| 81132 | Del Norte | May 23 | Sep 25 | 5b |
| 81144 | Monte Vista | Jun 11 | Sep 13 | 5a |
| 81154 | South Fork | May 23 | Sep 25 | 5b |
Nearby counties
Alamosa County Conejos County Saguache County Mineral County Archuleta County Costilla County
All Colorado counties · Download Colorado frost dates (CSV)
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