Frost dates in Denali Borough, Alaska
The average last spring frost in Denali Borough falls May 24 to Jun 6 and the average first fall frost Aug 25 to Sep 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 2a to 3b. Places: Anderson, Denali Park, Healy. 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 |
|---|---|---|---|---|
| 99704 | Anderson | May 24 | Sep 4 | 2a |
| 99743 | Healy | May 24 | Sep 2 | 2a |
| 99744 | Anderson | May 24 | Sep 4 | 2a |
| 99755 | Denali Park | Jun 6 | Aug 25 | 3b |
Nearby counties
Fairbanks North Star Borough Yukon-Koyukuk Census Area Matanuska-Susitna Borough Southeast Fairbanks Census Area Copper River Census Area Anchorage Municipality
All Alaska counties · Download Alaska frost dates (CSV)
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