Frost dates in Madison County, Idaho
The average last spring frost in Madison County falls May 12 to Jun 15 and the average first fall frost Sep 7 to Sep 24, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Newdale, Rexburg, Sugar City, Teton. 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 |
|---|---|---|---|---|
| 83436 | Newdale | Jun 15 | Sep 7 | 5a |
| 83440 | Rexburg | May 12 | Sep 24 | 5a |
| 83448 | Sugar City | May 29 | Sep 13 | 5a |
| 83451 | Teton | May 29 | Sep 13 | 5a |
| 83460 | Rexburg | May 12 | Sep 24 | 5a |
Nearby counties
Teton County Fremont County Jefferson County Bonneville County Clark County Bingham 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.