Frost dates in Yukon-Koyukuk Census Area, Alaska
The average last spring frost in Yukon-Koyukuk Census Area falls May 13 to May 30 and the average first fall frost Aug 24 to Sep 22, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 1a to 3b. Places: Alatna, Anvik, Arctic Village, Beaver, Central, Chalkyitsik. 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 |
|---|---|---|---|---|
| 99558 | Anvik | May 25 | Sep 3 | 3b |
| 99590 | Grayling | May 25 | Sep 3 | 3a |
| 99602 | Holy Cross | May 21 | Sep 22 | 3a |
| 99627 | McGrath | May 13 | Sep 13 | 2b |
| 99665 | Shageluk | May 25 | Sep 3 | 3a |
| 99675 | Takotna | May 13 | Sep 13 | 2a |
| 99691 | Nikolai | May 30 | Sep 5 | 2b |
| 99701 | Wiseman | May 22 | Aug 24 | 3a |
| 99720 | Alatna | May 22 | Aug 24 | 1a |
| 99722 | Arctic Village | n/a | n/a | 1b |
| 99724 | Beaver | May 28 | Aug 26 | 1a |
| 99726 | Evansville | May 22 | Aug 24 | 1b |
| 99730 | Central | May 25 | Aug 26 | 3b |
| 99733 | Circle | May 25 | Aug 26 | 1a |
| 99740 | Fort Yukon | May 25 | Aug 26 | 3a |
| 99741 | Galena | May 18 | Sep 8 | 1b |
| 99745 | Hughes | May 29 | Aug 28 | 1b |
| 99746 | Huslia | May 18 | Sep 8 | 2a |
| 99748 | Kaltag | May 25 | Sep 3 | 2a |
| 99754 | Koyukuk | May 18 | Sep 8 | 2a |
| 99756 | Manley Hot Springs | May 29 | Aug 28 | 1b |
| 99757 | Lake Minchumina | May 13 | Sep 17 | 2b |
| 99758 | Minto | May 15 | Sep 16 | 2a |
| 99760 | Nenana | May 15 | Sep 11 | 2a |
| 99765 | Nulato | May 25 | Sep 3 | 2a |
| 99767 | Rampart | May 29 | Aug 28 | 1b |
| 99768 | Ruby | May 29 | Aug 28 | 3a |
| 99774 | Stevens Village | May 28 | Aug 26 | 1a |
| 99777 | Tanana | May 29 | Aug 28 | 1b |
| 99781 | Venetie | May 25 | Aug 26 | 2b |
| 99788 | Chalkyitsik | May 25 | Aug 26 | 1a |
| 99790 | Livengood | May 28 | Aug 26 | 3b |
Nearby counties
Denali Borough Fairbanks North Star Borough Matanuska-Susitna Borough Northwest Arctic Borough Southeast Fairbanks Census Area Anchorage Municipality
All Alaska counties · Download Alaska frost dates (CSV)
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