Temperature for June
In Great Falls, MT during June the average high temperature is 75.6°F. The hottest day on record was June 30, 1990 when the temperature hit 100.0°F.
Precipitation for June
In June the average monthly rainfall in Great Falls, MT is 2.67 inches with rain usually falling on between 11 and 12 days. 1996 was the driest June with only 0.37 inches of rain falling, and 1982 was the wettest June with 14.12 inches of rain. The wettest single day in June was 27 June 1982 when 10.93 inches of rain fell.
In June it usually snows on between 0 and 1 days. Tornados are reported on 0 and 1 days in June. There are thunderstorms on between 5 and 6 days in June.