Colstrip, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 33° -40° (1954) 69° (2002) 0.58" NA
February 16° 40° -36° (1989) 72° (1982) 0.43" NA
March 24° 48° -27° (1960) 81° (2004) 0.87" NA
April 33° 58° 3° (1997) 90° (1980) 1.34" NA
May 43° 68° 7° (1952) 97° (1988) 2.59" NA
June 52° 78° 28° (1964) 103° (1988) 2.51" NA
July 57° 85° 34° (1951) 108° (2002) 1.35" NA
August 56° 85° 33° (1992) 111° (1961) 1.09" NA
September 46° 73° 19° (1972) 102° (1950) 1.32" NA
October 35° 60° -8° (1991) 94° (1963) 1.35" NA
November 23° 44° -32° (1959) 80° (1999) 0.65" NA
December 14° 36° -38° (1983) 71° (1957) 0.48" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 51° 80° 36° (1965) 101° (1983) 0.04" NA
Sep 2 51° 79° 33° (1961) 98° (2004) 0.04" NA
Sep 3 50° 78° 30° (1961) 98° (1950) 0.04" NA
Sep 4 50° 78° 25° (1962) 102° (1950) 0.04" NA
Sep 5 49° 77° 30° (1962) 100° (1960) 0.04" NA
Sep 6 49° 77° 32° (1956) 95° (1978) 0.04" NA
Sep 7 49° 76° 31° (1965) 96° (1978) 0.04" NA
Sep 8 48° 76° 31° (1962) 100° (1959) 0.04" NA
Sep 9 48° 76° 32° (1962) 97° (1998) 0.04" NA
Sep 10 47° 75° 24° (1989) 96° (1998) 0.04" NA
Sep 11 47° 75° 25° (1989) 96° (1959) 0.04" NA
Sep 12 47° 74° 29° (1964) 97° (1958) 0.04" NA
Sep 13 46° 74° 29° (1949) 99° (1959) 0.04" NA
Sep 14 46° 73° 28° (1970) 99° (1948) 0.04" NA
Sep 15 45° 73° 27° (1951) 98° (1948) 0.04" NA
Sep 16 45° 72° 29° (1965) 95° (2000) 0.04" NA
Sep 17 45° 72° 24° (1965) 95° (2000) 0.04" NA
Sep 18 44° 72° 20° (1965) 92° (1984) 0.04" NA
Sep 19 44° 71° 27° (1983) 94° (1984) 0.05" NA
Sep 20 44° 71° 29° (1965) 93° (1966) 0.05" NA
Sep 21 43° 70° 21° (1995) 86° (1966) 0.05" NA
Sep 22 43° 70° 25° (1955) 90° (1954) 0.05" NA
Sep 23 43° 70° 26° (1965) 91° (1966) 0.05" NA
Sep 24 42° 69° 25° (1961) 95° (1992) 0.05" NA
Sep 25 42° 69° 28° (2000) 88° (1952) 0.05" NA
Sep 26 42° 69° 19° (1972) 91° (1952) 0.05" NA
Sep 27 42° 68° 22° (1964) 91° (1963) 0.05" NA
Sep 28 41° 68° 21° (1985) 89° (1953) 0.05" NA
Sep 29 41° 68° 23° (1985) 94° (2001) 0.05" NA
Sep 30 41° 67° 20° (1958) 93° (1963) 0.05" NA
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