Climate thumb|right|Climate chart for Havre Havre experiences a semi-arid climate (Köppen BSk) with long, cold, dry winters and hot summers with cool nights. Winter weather can vary greatly from brutal cold when Arctic air moves in from Canada, to temperatures far above due to chinook windsfor instance the coldest month (and only one to never top freezing) of January 1916 averaged and February 1936 during a notorious cold wave , but February 1954 averaged as high as and January 1919, .National Weather Service, Great Falls The hottest temperature recorded in Havre is on August 5, 1961, and the coldest on January 27, 1916.
Climate thumb|right|Climate chart for Havre Havre experiences a semi-arid climate (Köppen BSk) with long, cold, dry winters and hot summers with cool nights. Winter weather can vary greatly from brutal cold when Arctic air moves in from Canada, to temperatures far above due to chinook windsfor instance the coldest month (and only one to never top freezing) of January 1916 averaged and February 1936 during a notorious cold wave , but February 1954 averaged as high as and January 1919, .National Weather Service, Great Falls The hottest temperature recorded in Havre is on August 5, 1961, and the coldest on January 27, 1916.