Swan Lake, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 33° -30° (1950) 58° (1953) 1.11" NA
February 24° 38° -27° (1936) 66° (1995) 0.88" NA
March 29° 47° -10° (1956) 74° (1986) 1.04" NA
April 35° 57° -1° (1936) 84° (1926) 1.33" NA
May 42° 66° 17° (1954) 91° (1986) 2.32" NA
June 49° 74° 26° (1920) 98° (1919) 2.14" NA
July 54° 81° 37° (1973) 104° (1960) 1.31" NA
August 54° 81° 31° (1910) 101° (1961) 1.32" NA
September 45° 70° 16° (1926) 93° (1931) 1.3" NA
October 37° 57° 1° (1935) 83° (1963) 1.07" NA
November 28° 41° -21° (1959) 71° (1999) 1.15" NA
December 22° 33° -25° (1964) 62° (1956) 1.18" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 52° 78° 38° (1956) 93° (1932) 0.05" NA
Jul 2 52° 79° 37° (1973) 95° (1985) 0.05" NA
Jul 3 52° 79° 38° (1999) 96° (1985) 0.05" NA
Jul 4 52° 79° 37° (1959) 95° (1937) 0.05" NA
Jul 5 52° 79° 40° (1918) 94° (1975) 0.05" NA
Jul 6 52° 80° 38° (1952) 102° (2007) 0.05" NA
Jul 7 52° 80° 38° (1952) 101° (2007) 0.05" NA
Jul 8 53° 80° 39° (1955) 96° (1985) 0.04" NA
Jul 9 53° 80° 40° (1935) 99° (1919) 0.04" NA
Jul 10 53° 81° 42° (1915) 97° (1985) 0.04" NA
Jul 11 53° 81° 43° (1977) 97° (1985) 0.04" NA
Jul 12 53° 81° 42° (1950) 95° (2003) 0.04" NA
Jul 13 53° 81° 42° (1993) 99° (2003) 0.04" NA
Jul 14 53° 82° 41° (1963) 100° (2002) 0.04" NA
Jul 15 54° 82° 41° (1958) 96° (2007) 0.04" NA
Jul 16 54° 82° 41° (1963) 104° (1919) 0.04" NA
Jul 17 54° 82° 42° (1907) 102° (1936) 0.04" NA
Jul 18 54° 82° 39° (1957) 97° (1936) 0.04" NA
Jul 19 54° 82° 42° (1962) 104° (1960) 0.04" NA
Jul 20 54° 83° 45° (1972) 102° (1960) 0.04" NA
Jul 21 54° 83° 44° (1983) 100° (1936) 0.04" NA
Jul 22 54° 83° 43° (1952) 100° (1936) 0.04" NA
Jul 23 54° 83° 41° (1952) 102° (2003) 0.04" NA
Jul 24 54° 83° 45° (1964) 100° (2003) 0.04" NA
Jul 25 54° 83° 44° (1952) 99° (1931) 0.04" NA
Jul 26 55° 83° 43° (1947) 100° (1931) 0.04" NA
Jul 27 55° 83° 45° (1930) 98° (1975) 0.04" NA
Jul 28 55° 83° 43° (1947) 104° (1934) 0.04" NA
Jul 29 55° 83° 39° (1959) 101° (1934) 0.04" NA
Jul 30 55° 83° 38° (1913) 97° (2003) 0.04" NA
Jul 31 55° 83° 41° (1945) 98° (1914) 0.04" NA
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