Frost dates in Gilpin County, Colorado
The average last spring frost in Gilpin County falls Jun 5 to Jun 21 and the average first fall frost Sep 2 to Sep 16, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Black Hawk, Central City, Rollinsville. 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 |
|---|---|---|---|---|
| 80422 | Black Hawk | Jun 5 | Sep 16 | 5b |
| 80427 | Central City | Jun 5 | Sep 16 | 5b |
| 80474 | Rollinsville | Jun 21 | Sep 2 | 5b |
Nearby counties
Clear Creek County Boulder County Jefferson County Grand County Broomfield County Denver 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.
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.