Swan Valley, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 30° -43° (1962) 55° (2005) 2.44" NA
February 14° 37° -45° (1989) 61° (1968) 1.65" NA
March 21° 44° -29° (1965) 73° (2004) 1.3" NA
April 28° 54° 3° (1975) 86° (1987) 1.06" NA
May 36° 63° 13° (1954) 93° (1986) 1.98" NA
June 42° 72° 23° (2001) 94° (2007) 2.17" NA
July 45° 81° 28° (1973) 102° (2007) 1.21" NA
August 44° 81° 27° (1980) 101° (1961) 1.39" NA
September 37° 70° 15° (2000) 94° (2000) 1.32" NA
October 29° 57° -10° (1971) 84° (1992) 1.36" NA
November 22° 38° -31° (1959) 65° (1981) 2.24" NA
December 12° 29° -44° (1990) 57° (1957) 2.54" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 44° 77° 29° (1984) 90° (1985) 0.05" NA
Jul 2 44° 77° 28° (1973) 90° (1985) 0.05" NA
Jul 3 44° 77° 29° (1979) 91° (1975) 0.05" NA
Jul 4 44° 78° 31° (1971) 93° (2001) 0.05" NA
Jul 5 44° 78° 32° (2000) 95° (1985) 0.05" NA
Jul 6 44° 78° 29° (1952) 99° (2007) 0.05" NA
Jul 7 44° 79° 28° (1971) 102° (2007) 0.04" NA
Jul 8 44° 79° 30° (1984) 92° (1963) 0.04" NA
Jul 9 44° 79° 31° (1984) 94° (1985) 0.04" NA
Jul 10 44° 80° 32° (1972) 98° (1985) 0.04" NA
Jul 11 45° 80° 32° (1987) 97° (1973) 0.04" NA
Jul 12 45° 80° 31° (1971) 101° (2002) 0.04" NA
Jul 13 45° 80° 32° (1979) 100° (2002) 0.04" NA
Jul 14 45° 81° 34° (1952) 100° (2002) 0.04" NA
Jul 15 45° 81° 34° (1988) 99° (2007) 0.04" NA
Jul 16 45° 81° 33° (1963) 98° (2007) 0.04" NA
Jul 17 45° 81° 33° (1982) 96° (2004) 0.04" NA
Jul 18 45° 81° 30° (1986) 97° (1960) 0.03" NA
Jul 19 45° 82° 31° (1962) 100° (1960) 0.03" NA
Jul 20 45° 82° 33° (1962) 98° (1960) 0.03" NA
Jul 21 45° 82° 32° (1968) 95° (1960) 0.03" NA
Jul 22 45° 82° 32° (1952) 96° (1960) 0.03" NA
Jul 23 45° 82° 34° (1973) 99° (2006) 0.03" NA
Jul 24 45° 82° 31° (1953) 98° (1984) 0.03" NA
Jul 25 45° 82° 33° (1952) 97° (2006) 0.03" NA
Jul 26 45° 83° 33° (1969) 94° (1984) 0.03" NA
Jul 27 45° 83° 34° (1954) 96° (1975) 0.04" NA
Jul 28 45° 83° 32° (1976) 97° (1975) 0.04" NA
Jul 29 45° 83° 30° (1959) 96° (1987) 0.04" NA
Jul 30 45° 83° 33° (1954) 97° (2007) 0.04" NA
Jul 31 46° 83° 30° (1986) 97° (2003) 0.04" NA
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