Deer Lodge, MT 59722 Frost Dates
Frost dates for Deer Lodge, MT, ZIP 59722
The NOAA station nearest to 59722 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 Deer Lodge compares
Deer Lodge's growing season runs about 65 days, ranking 40,150 of 40,283 US ZIP codes measured here, longest to shortest. Within MT, it ranks 374 of 392.
Learn more
zone vs. frost date explains why Zone 4b and Deer Lodge's frost date answer different questions, and local microclimates explains what one yard in Deer Lodge can differ from the 59722 normal.