Frost dates in Jackson County, Colorado
a.jpg?uselang=en){kind=link}
The average last spring frost in Jackson County falls Jun 2 to Jun 13 and the average first fall frost Sep 7 to Sep 19, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Walden. 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 |
|---|---|---|---|---|
| 80430 | Jun 9 | Sep 12 | 4b | |
| 80434 | Jun 2 | Sep 19 | 4b | |
| 80473 | Jun 13 | Sep 7 | 4b | |
| 80480 | Walden | Jun 9 | Sep 12 | 4b |
Nearby counties
Routt County Grand County Larimer County Boulder County Gilpin County Eagle County
All Colorado counties · Download Colorado 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.