Frost dates in Elmore County, Idaho
The average last spring frost in Elmore County falls May 1 to Jun 16 and the average first fall frost Sep 4 to Oct 8, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 7a. Places: Glenns Ferry, Mountain Home, Mountain Home AFB, Robie Creek. 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 |
|---|---|---|---|---|
| 83337 | Jun 16 | Sep 6 | 5a | |
| 83623 | Glenns Ferry | May 1 | Oct 3 | 7a |
| 83633 | May 1 | Oct 3 | 7a | |
| 83647 | Mountain Home | May 2 | Oct 8 | 6b |
| 83648 | Mountain Home AFB | May 2 | Oct 8 | 7a |
| 83716 | Robie Creek | Jun 6 | Sep 4 | 6b |
Nearby counties
Camas County Gooding County Owyhee County Ada County Boise County Lincoln County
All Idaho counties · Download Idaho 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.