Ennis, MT 59716 Frost Dates
Frost dates for Ennis, MT, ZIP 59716
The NOAA station nearest to 59716 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 4b (-25 to -20°F average annual minimum).
How Ennis compares
At roughly 50 frost-free days, Ennis places 40,219 of 40,283 ZIP codes in this dataset. Within MT, it ranks 383 of 392.
Learn more
local microclimates explains what one yard in Ennis can differ from the 59716 normal, and the methodology explains exactly which NOAA and USDA figures feed 59716's numbers.