Drummond, MT 59854 Frost Dates
Frost dates for Drummond, MT, ZIP 59854
The NOAA station nearest to 59854 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 40,147 of 40,283 ZIP codes in this dataset. Within MT, it ranks 373 of 392.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 59854's numbers, and zone vs. frost date explains why Zone 5a and Drummond's frost date answer different questions.