Radisson, WI 54867 Frost Dates
54867, near Radisson, WI: the frost window
The NOAA station nearest to 54867 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 4a (-30 to -25°F average annual minimum).
Radisson against the rest of the dataset
Radisson's growing season runs about 100 days, ranking 39,722 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 857 of 860.
Learn more
Two guides worth reading on 54867: the methodology, on exactly which NOAA and USDA figures feed 54867's numbers, and zone vs. frost date, on why Zone 4a and Radisson's frost date answer different questions.