Frost dates in Sitka City and Borough, Alaska
The average last spring frost in Sitka City and Borough falls May 3 and the average first fall frost Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7b. Places: Sitka. 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 |
|---|---|---|---|---|
| 99835 | Sitka | May 3 | Oct 18 | 7b |
Nearby counties
Petersburg Borough Hoonah-Angoon Census Area Juneau City and Borough Prince of Wales-Hyder Census Area Haines Borough Wrangell City and Borough
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.