Frost dates in Fairbanks North Star Borough, Alaska
The average last spring frost in Fairbanks North Star Borough falls May 16 to May 30 and the average first fall frost Aug 26 to Sep 6, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 2a to 3b. Places: Badger, College, Eielson AFB, Ester, Fairbanks, Goldstream. 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 |
|---|---|---|---|---|
| 99702 | Eielson AFB | May 20 | Sep 1 | 2a |
| 99703 | Fairbanks | May 16 | Sep 6 | 2a |
| 99705 | Badger | May 18 | Sep 5 | 2a |
| 99707 | May 28 | Aug 26 | 3b | |
| 99709 | Goldstream | May 24 | Sep 1 | 3b |
| 99712 | Steele Creek | May 30 | Sep 2 | 3b |
| 99714 | Harding-Birch Lakes | May 26 | Sep 2 | 3b |
| 99725 | Ester | May 24 | Sep 1 | 3b |
| 99775 | College | May 18 | Sep 6 | 2b |
Nearby counties
Denali Borough Southeast Fairbanks Census Area Yukon-Koyukuk Census Area Copper River Census Area Matanuska-Susitna Borough Anchorage Municipality
All Alaska counties · Download Alaska frost dates (CSV)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.