Frost dates in Lake and Peninsula Borough, Alaska
The average last spring frost in Lake and Peninsula Borough falls May 10 to Jun 9 and the average first fall frost Sep 11 to Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4a to 6b. Places: Chignik, Chignik Lagoon, Chignik Lake, Egegik, Iliamna, Ivanof Bay. 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 |
|---|---|---|---|---|
| 99548 | Chignik Lake | May 11 | Oct 18 | 6b |
| 99549 | Port Heiden | May 11 | Oct 18 | 5b |
| 99564 | Chignik | May 11 | Oct 18 | 6b |
| 99565 | Chignik Lagoon | May 11 | Oct 18 | 6a |
| 99579 | Egegik | May 26 | Sep 15 | 5a |
| 99606 | Iliamna | May 10 | Oct 1 | 4b |
| 99613 | King Salmon | Jun 4 | Sep 12 | 4a |
| 99625 | Levelock | May 26 | Sep 15 | 4b |
| 99640 | Nondalton | May 12 | Sep 24 | 4a |
| 99647 | Pedro Bay | Jun 2 | Sep 12 | 4b |
| 99648 | Perryville | May 11 | Oct 18 | 6b |
| 99649 | Ugashik | Jun 9 | Sep 11 | 5a |
| 99653 | Port Alsworth | Jun 2 | Sep 12 | 4a |
| 99695 | Ivanof Bay | May 11 | Oct 18 | 6b |
Nearby counties
Bristol Bay Borough Dillingham Census Area Kodiak Island Borough Bethel Census Area Kenai Peninsula Borough Aleutians East Borough
All Alaska counties · Download Alaska frost dates (CSV)
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