Drummond, MT 59843 Frost Dates
Frost dates for Drummond, MT, ZIP 59843
The NOAA station nearest to 59843 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 5a (-20 to -15°F average annual minimum).
How Drummond compares
At roughly 67 frost-free days, Drummond places 40,146 of 40,283 ZIP codes in this dataset. Within MT, it ranks 372 of 392.
Learn more
local microclimates explains what one yard in Drummond can differ from the 59843 normal, and the methodology explains exactly which NOAA and USDA figures feed 59843's numbers.