Frost dates in Ketchikan Gateway Borough, Alaska
The average last spring frost in Ketchikan Gateway Borough falls Apr 4 and the average first fall frost Nov 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7b. Places: Ketchikan. 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 |
|---|---|---|---|---|
| 99901 | Ketchikan | Apr 4 | Nov 9 | 7b |
Nearby counties
Wrangell City and Borough Prince of Wales-Hyder Census Area Petersburg Borough Sitka City and Borough Juneau City and Borough Hoonah-Angoon Census Area
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.