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
Dec 1 21° 37° -21° (1985) 65° (1995) 0.02" NA
Dec 2 21° 37° -23° (1985) 63° (1956) 0.02" NA
Dec 3 20° 37° -7° (1972) 63° (1941) 0.02" NA
Dec 4 20° 37° -11° (1972) 65° (1979) 0.02" NA
Dec 5 20° 36° -16° (1972) 73° (1939) 0.02" NA
Dec 6 20° 36° -20° (1972) 69° (1939) 0.02" NA
Dec 7 19° 36° -20° (1972) 60° (1939) 0.02" NA
Dec 8 19° 36° -25° (1972) 66° (1939) 0.02" NA
Dec 9 19° 36° -21° (1977) 69° (1957) 0.02" NA
Dec 10 19° 35° -14° (1961) 65° (1990) 0.02" NA
Dec 11 19° 35° -17° (1961) 67° (2004) 0.02" NA
Dec 12 18° 35° -11° (2000) 57° (1988) 0.02" NA
Dec 13 18° 35° -16° (1963) 59° (1988) 0.02" NA
Dec 14 18° 35° -13° (1945) 56° (1962) 0.02" NA
Dec 15 18° 35° -20° (1964) 69° (1980) 0.02" NA
Dec 16 18° 34° -26° (1964) 67° (1980) 0.02" NA
Dec 17 17° 34° -24° (1964) 67° (1939) 0.02" NA
Dec 18 17° 34° -19° (1983) 62° (1979) 0.02" NA
Dec 19 17° 34° -20° (1990) 60° (1979) 0.02" NA
Dec 20 17° 34° -22° (1990) 58° (1941) 0.02" NA
Dec 21 17° 34° -26° (1990) 57° (1994) 0.02" NA
Dec 22 16° 33° -26° (1990) 60° (1954) 0.02" NA
Dec 23 16° 33° -20° (1983) 58° (1950) 0.02" NA
Dec 24 16° 33° -32° (1983) 56° (1936) 0.02" NA
Dec 25 16° 33° -21° (1983) 56° (2005) 0.02" NA
Dec 26 16° 33° -20° (1996) 62° (1980) 0.02" NA
Dec 27 16° 33° -11° (1941) 68° (1980) 0.03" NA
Dec 28 16° 33° -22° (1990) 59° (1956) 0.03" NA
Dec 29 15° 33° -25° (1968) 61° (1999) 0.03" NA
Dec 30 15° 32° -24° (1968) 63° (1980) 0.03" NA
Dec 31 15° 32° -23° (1978) 53° (1980) 0.03" NA
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