Wisdom is a census-designated place (CDP) in Beaverhead County, Montana, United States.
Wisdom, owing to its high altitude and northerly location, has a subalpine climate (Köppen Dfc) with long, cold, dry winters and short summers with very warm afternoons and cold, clear mornings.
With over 277 mornings each year below freezing and only July ever completely frost-free, Wisdom is in terms of frequency of frost one of the coldest places in the United States.
During major cold waves, Wisdom’s location in an enclosed valley can make for exceptionally low temperatures: −55 °F (−48.3 °C) was reached during a great cold wave on December 23, 1983, and −50 °F or −45.6 °C has been reached during seven years, though not since February 4, 1989.
Typically there are 47 mornings falling to or below 0 °F or −17.8 °C, and as many as seven fall as low as −25 °F or −31.7 °C, whilst 69.8 afternoons do not top freezing, a tally twice as large as central Montana areas affected by warm chinook winds.
Minimum temperatures during spring do not typically stay above freezing until well into June, although the average last spring ice day date is April 1 and the first fall ice day November 1.
Although summer nights are chilly and even frosty, days can be very warm or even hot, although only 1.3 afternoons typically rise above 90 °F or 32.2 °C and 100 °F or 37.8 °C has never been recorded: Wisdom’s hottest temperature is 98 °F or 36.7 °C on July 13, 2002, and the hottest minimum 62 °F or 16.7 °C on July 23, 1936.
On average only two mornings remain above 50 °F or 10 °C each summer, and Wisdom has never recorded so high a minimum between October 20 and May 4 inclusive.