Chinook, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -50° (1954) 67° (1984) 0.54" NA
February 34° -44° (1994) 75° (1995) 0.32" NA
March 17° 45° -36° (1960) 82° (2004) 0.56" NA
April 30° 59° -10° (1986) 92° (1980) 0.99" NA
May 41° 69° 11° (1954) 96° (1980) 2.29" NA
June 50° 78° 28° (1979) 104° (1988) 2.29" NA
July 53° 84° 36° (1987) 105° (1960) 1.66" NA
August 51° 84° 29° (1988) 109° (1961) 1.34" NA
September 39° 72° 13° (1995) 104° (1998) 1.43" NA
October 27° 59° -24° (1991) 90° (1992) 0.66" NA
November 13° 40° -38° (1985) 79° (1999) 0.47" NA
December 30° -50° (1989) 66° (1998) 0.51" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 54° 86° 40° (1968) 99° (1955) 0.05" NA
Aug 2 54° 86° 39° (1978) 101° (2000) 0.04" NA
Aug 3 54° 86° 39° (1988) 103° (1961) 0.04" NA
Aug 4 54° 86° 40° (1988) 104° (1961) 0.04" NA
Aug 5 54° 86° 35° (1977) 109° (1961) 0.04" NA
Aug 6 54° 86° 42° (1985) 106° (1983) 0.04" NA
Aug 7 54° 86° 41° (1966) 101° (1998) 0.04" NA
Aug 8 54° 86° 39° (1980) 102° (2001) 0.04" NA
Aug 9 53° 86° 34° (1985) 100° (1991) 0.04" NA
Aug 10 53° 85° 35° (1977) 101° (1984) 0.04" NA
Aug 11 53° 85° 36° (1952) 102° (2003) 0.04" NA
Aug 12 53° 85° 35° (1987) 98° (1998) 0.04" NA
Aug 13 53° 85° 34° (1985) 97° (1961) 0.04" NA
Aug 14 53° 85° 38° (1959) 100° (1994) 0.04" NA
Aug 15 52° 85° 40° (1982) 103° (1961) 0.04" NA
Aug 16 52° 84° 35° (1977) 103° (2003) 0.04" NA
Aug 17 52° 84° 34° (2002) 97° (2003) 0.04" NA
Aug 18 52° 84° 35° (1987) 102° (1964) 0.04" NA
Aug 19 51° 84° 33° (1950) 99° (2001) 0.04" NA
Aug 20 51° 83° 33° (1986) 97° (1967) 0.04" NA
Aug 21 51° 83° 37° (1978) 96° (1994) 0.04" NA
Aug 22 50° 83° 37° (1992) 97° (1961) 0.04" NA
Aug 23 50° 82° 35° (1988) 99° (1961) 0.05" NA
Aug 24 49° 82° 36° (1988) 102° (1969) 0.05" NA
Aug 25 49° 82° 32° (1992) 97° (1961) 0.05" NA
Aug 26 49° 81° 36° (1978) 96° (1966) 0.05" NA
Aug 27 48° 81° 29° (1988) 95° (1966) 0.05" NA
Aug 28 48° 80° 36° (1977) 97° (2001) 0.05" NA
Aug 29 47° 80° 38° (2000) 97° (1988) 0.05" NA
Aug 30 46° 79° 33° (1959) 98° (1991) 0.05" NA
Aug 31 46° 79° 30° (1988) 102° (1991) 0.05" NA
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