Frost dates in Larimer County, Colorado
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The average last spring frost in Larimer County falls May 2 to Jun 5 and the average first fall frost Sep 16 to Oct 7, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Berthoud, Estes Park, Fort Collins, Laporte, Loveland, Red Feather Lakes. 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 |
|---|---|---|---|---|
| 80512 | Jun 5 | Sep 16 | 5b | |
| 80513 | Berthoud | May 7 | Oct 5 | 5b |
| 80515 | May 12 | Oct 1 | 5b | |
| 80517 | Estes Park | May 30 | Sep 17 | 5a |
| 80521 | Fort Collins | May 2 | Oct 7 | 5b |
| 80524 | Fort Collins | May 3 | Oct 6 | 5b |
| 80525 | Fort Collins | May 3 | Oct 6 | 5b |
| 80526 | Fort Collins | May 2 | Oct 7 | 5b |
| 80528 | Fort Collins | May 3 | Oct 6 | 5b |
| 80532 | May 30 | Sep 17 | 5b | |
| 80535 | Laporte | May 21 | Sep 29 | 5b |
| 80536 | May 31 | Sep 19 | 5b | |
| 80537 | Loveland | May 12 | Oct 1 | 5b |
| 80538 | Loveland | May 21 | Sep 29 | 5b |
| 80545 | Red Feather Lakes | Jun 5 | Sep 16 | 5a |
| 80547 | Timnath | May 3 | Oct 6 | 5b |
| 80549 | Wellington | May 31 | Sep 19 | 5b |
| 82063 | Jun 5 | Sep 16 | 5a |
Nearby counties
Weld County Boulder County Broomfield County Grand County Gilpin County Jackson County
All Colorado counties · Download Colorado frost dates (CSV)
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