Acton, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 33° -30° (1997) 68° (1953) 0.81" 10.9"
February 20° 40° -38° (1936) 72° (1961) 0.58" 6.5"
March 26° 48° -19° (1989) 80° (2004) 1.12" 10.3"
April 35° 58° -5° (1936) 90° (1980) 1.74" 7.6"
May 44° 67° 14° (1954) 96° (1936) 2.48" 1.8"
June 53° 78° 32° (1969) 105° (1984) 1.89" 0"
July 58° 86° 41° (1972) 108° (2002) 1.28" 0"
August 57° 84° 35° (1992) 105° (1961) 0.85" 0"
September 47° 72° 22° (1984) 103° (1983) 1.34" 1.3"
October 37° 59° -7° (1991) 90° (1992) 1.26" 4.2"
November 26° 43° -22° (1959) 77° (1999) 0.75" 7.5"
December 18° 35° -32° (1983) 73° (1939) 0.67" 8.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 53° 79° 41° (1942) 103° (1983) 0.03" NA
Sep 2 52° 78° 35° (1974) 99° (1998) 0.04" NA
Sep 3 52° 78° 39° (1956) 97° (1978) 0.04" NA
Sep 4 51° 77° 31° (1962) 100° (1950) 0.04" NA
Sep 5 51° 76° 37° (1956) 95° (1945) 0.04" NA
Sep 6 50° 76° 36° (1956) 97° (1980) 0.04" NA
Sep 7 50° 75° 34° (1962) 97° (1998) 0.04" NA
Sep 8 50° 75° 32° (1962) 99° (1979) 0.04" NA
Sep 9 49° 75° 31° (1962) 95° (2005) 0.04" NA
Sep 10 49° 74° 33° (1989) 92° (1966) 0.04" NA
Sep 11 49° 74° 28° (1989) 96° (1959) 0.04" NA
Sep 12 48° 73° 30° (1970) 93° (1990) 0.04" NA
Sep 13 48° 73° 29° (1970) 92° (1959) 0.04" NA
Sep 14 47° 72° 31° (1970) 97° (1948) 0.04" NA
Sep 15 47° 72° 31° (1965) 95° (2000) 0.04" NA
Sep 16 47° 71° 29° (1965) 94° (1979) 0.05" NA
Sep 17 46° 71° 26° (1965) 90° (1984) 0.05" NA
Sep 18 46° 70° 28° (1971) 92° (1984) 0.05" NA
Sep 19 46° 70° 26° (1983) 93° (1981) 0.05" NA
Sep 20 45° 70° 26° (1983) 91° (1938) 0.05" NA
Sep 21 45° 69° 28° (1995) 91° (1938) 0.05" NA
Sep 22 45° 69° 25° (2000) 91° (1938) 0.05" NA
Sep 23 44° 68° 23° (1984) 91° (1992) 0.05" NA
Sep 24 44° 68° 22° (1984) 90° (1938) 0.05" NA
Sep 25 44° 68° 24° (1934) 91° (2001) 0.05" NA
Sep 26 44° 67° 25° (1972) 88° (1963) 0.05" NA
Sep 27 43° 67° 27° (1951) 91° (1963) 0.05" NA
Sep 28 43° 67° 26° (1984) 90° (1967) 0.05" NA
Sep 29 43° 66° 26° (1985) 89° (1989) 0.05" NA
Sep 30 42° 66° 23° (1985) 90° (1963) 0.05" NA
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