Frost dates in Anchorage Municipality, Alaska
The average last spring frost in Anchorage Municipality falls May 1 to May 21 and the average first fall frost Sep 15 to Oct 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Anchorage. 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 |
|---|---|---|---|---|
| 99501 | Anchorage | May 1 | Sep 29 | 5a |
| 99502 | Anchorage | May 5 | Sep 29 | 5b |
| 99504 | Anchorage | May 9 | Sep 26 | 5a |
| 99505 | Anchorage | May 9 | Sep 26 | 5a |
| 99506 | Anchorage | May 1 | Sep 29 | 5a |
| 99507 | Anchorage | May 18 | Sep 23 | 5a |
| 99508 | Anchorage | May 1 | Sep 29 | 5a |
| 99513 | Anchorage | May 1 | Sep 29 | 5b |
| 99515 | Anchorage | May 5 | Sep 29 | 5a |
| 99516 | Anchorage | May 18 | Sep 23 | 5b |
| 99517 | Anchorage | May 1 | Oct 3 | 5b |
| 99518 | Anchorage | May 1 | Oct 3 | 5a |
| 99530 | Anchorage | May 1 | Oct 3 | 5b |
| 99540 | Anchorage | May 8 | Sep 29 | 5b |
| 99567 | Anchorage | May 21 | Sep 15 | 5a |
| 99577 | Anchorage | May 16 | Sep 20 | 5a |
| 99587 | Anchorage | May 8 | Sep 29 | 5b |
Nearby counties
Matanuska-Susitna Borough Kenai Peninsula Borough Chugach Census Area Copper River Census Area Denali Borough Fairbanks North Star Borough
All Alaska counties · Download Alaska frost dates (CSV)
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