Montana: Temperature Extremes

Updated February 21, 2017 | Factmonster Staff

Month	Maximum F	Year	Place	Minimum F	Year	Place
Jan.	79	1919	Choteau	?70	1954	Rogers Pass
Feb.	79	1932	Columbus	?61	1899	Fort Logan
March	88	1910	Miles City	?45	1906	Fort Logan
April	97	1980	Poplar	?30	1940	Summit
May	105	1937	Rock Springs	?5	1954	Polebridge
June	112	1988	Wolf Point	11	1943	Kings Hill
July	117	1937	Medicine Lake	15	1919	Bowen
Aug.	112	1961	Iliad	5	1910	Bowen*
Sept.	107	1983	Poplar	?7	1926	Pleasant Valley
Oct.	99	1910	Springbrook	?30	1935	Summit
Nov.	85	1975	Grassrange	?53	1959	Lincoln
Dec.	78	1939	Crow Agency*	?55	1924	Wheaton

*Also on earlier dates at the same time or other places.