Frost dates in Isanti County, Minnesota
The average last spring frost in Isanti County falls May 2 to May 8 and the average first fall frost Oct 1 to Oct 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Cambridge, Isanti, Stanchfield. 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 |
|---|---|---|---|---|
| 55008 | Cambridge | May 2 | Oct 4 | 4b |
| 55017 | May 8 | Oct 1 | 4b | |
| 55029 | May 2 | Oct 4 | 4b | |
| 55040 | Isanti | May 2 | Oct 4 | 4b |
| 55080 | Stanchfield | May 2 | Oct 4 | 4b |
Nearby counties
Kanabec County Chisago County Mille Lacs County Anoka County Sherburne County Benton County
All Minnesota counties · Download Minnesota 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.