Frost dates in Copper River Census Area, Alaska
The average last spring frost in Copper River Census Area falls Apr 30 to Jun 5 and the average first fall frost Aug 24 to Oct 2, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 2b to 4b. Places: Chistochina, Kenny Lake, McCarthy, Mendeltna. 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 |
|---|---|---|---|---|
| 99566 | McCarthy | May 31 | Sep 3 | 4b |
| 99573 | Kenny Lake | Apr 30 | Oct 2 | 4b |
| 99586 | Chistochina | Jun 5 | Aug 24 | 2b |
| 99588 | Mendeltna | May 30 | Sep 4 | 2b |
Nearby counties
Chugach Census Area Southeast Fairbanks Census Area Matanuska-Susitna Borough Anchorage Municipality Denali Borough Fairbanks North Star Borough
All Alaska counties · Download Alaska frost dates (CSV)
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