Harrison, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 32° -33° (1963) 58° (1971) 0.63" NA
February 16° 37° -38° (1989) 63° (1995) 0.68" NA
March 22° 43° -23° (1960) 71° (1966) 1.43" NA
April 29° 51° -5° (1975) 78° (1987) 1.96" NA
May 37° 60° 15° (1967) 84° (1960) 3.02" NA
June 44° 68° 23° (1969) 90° (1990) 2.38" NA
July 49° 76° 28° (1977) 96° (1960) 1.63" NA
August 48° 76° 27° (1965) 97° (1961) 1.51" NA
September 40° 66° 10° (1965) 89° (1967) 1.71" NA
October 31° 55° -5° (1991) 85° (1979) 1.42" NA
November 20° 40° -31° (1959) 71° (1975) 0.91" NA
December 13° 33° -35° (1990) 60° (1975) 0.59" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 50° 78° 38° (1975) 88° (1961) 0.05" NA
Aug 2 50° 78° 38° (1964) 90° (1971) 0.04" NA
Aug 3 50° 78° 38° (1978) 91° (1961) 0.04" NA
Aug 4 50° 78° 36° (1980) 92° (1961) 0.04" NA
Aug 5 50° 78° 35° (1980) 97° (1961) 0.04" NA
Aug 6 50° 78° 35° (1996) 91° (1990) 0.05" NA
Aug 7 50° 78° 39° (1977) 93° (1990) 0.05" NA
Aug 8 50° 78° 39° (1966) 88° (1990) 0.05" NA
Aug 9 50° 78° 37° (1976) 90° (1972) 0.05" NA
Aug 10 50° 78° 38° (1976) 90° (1996) 0.05" NA
Aug 11 50° 78° 34° (1977) 90° (1972) 0.05" NA
Aug 12 49° 78° 37° (1987) 91° (1996) 0.05" NA
Aug 13 49° 78° 36° (1995) 91° (1973) 0.05" NA
Aug 14 49° 77° 35° (1977) 90° (1971) 0.05" NA
Aug 15 49° 77° 40° (1974) 90° (1994) 0.05" NA
Aug 16 49° 77° 35° (1977) 90° (1966) 0.05" NA
Aug 17 48° 77° 31° (1978) 88° (1973) 0.05" NA
Aug 18 48° 77° 33° (1978) 89° (1986) 0.05" NA
Aug 19 48° 76° 35° (1964) 87° (1973) 0.05" NA
Aug 20 48° 76° 39° (1966) 90° (1973) 0.05" NA
Aug 21 48° 76° 31° (1966) 89° (1969) 0.05" NA
Aug 22 47° 76° 31° (1966) 88° (1969) 0.05" NA
Aug 23 47° 75° 31° (1960) 90° (1967) 0.05" NA
Aug 24 47° 75° 31° (1992) 94° (1969) 0.05" NA
Aug 25 46° 75° 30° (1992) 91° (1985) 0.05" NA
Aug 26 46° 74° 31° (1992) 87° (1970) 0.05" NA
Aug 27 46° 74° 28° (1977) 87° (1971) 0.05" NA
Aug 28 46° 74° 29° (1960) 87° (1971) 0.05" NA
Aug 29 45° 73° 29° (1965) 86° (1998) 0.05" NA
Aug 30 45° 73° 27° (1965) 85° (1996) 0.05" NA
Aug 31 44° 72° 32° (1965) 87° (1991) 0.05" NA
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