Aurora, MN 55705 Frost Dates
55705, near Aurora, MN: the frost window
The NOAA station nearest to 55705 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 3b (-35 to -30°F average annual minimum).
Aurora against the rest of the dataset
About 83 days separate Aurora's last and first frost, putting it 40,018 of 40,283 ZIP codes nationally. Within MN, it ranks 936 of 943.
Learn more
Two guides worth reading on 55705: local microclimates, on what one yard in Aurora can differ from the 55705 normal, and the methodology, on exactly which NOAA and USDA figures feed 55705's numbers.