Swan Valley, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 32° -43° (1962) 55° (2005) 2.13" 28.8"
February 13° 38° -45° (1989) 61° (1968) 1.64" 18"
March 21° 46° -29° (1965) 73° (2004) 1.35" 13.8"
April 27° 55° 3° (1975) 86° (1987) 1.1" 3.2"
May 35° 65° 13° (1954) 93° (1986) 1.95" 0.6"
June 41° 73° 23° (2001) 94° (2007) 2.43" 0.3"
July 44° 83° 28° (1973) 102° (2007) 1.14" 0"
August 43° 83° 27° (1980) 101° (1961) 1.2" 0"
September 36° 73° 15° (2000) 94° (2000) 1.4" 0"
October 29° 58° -10° (1971) 84° (1992) 1.56" 1.8"
November 22° 40° -31° (1959) 65° (1981) 2.29" 16.7"
December 12° 30° -44° (1990) 57° (1957) 2.05" 29.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 12° 34° -34° (1956) 52° (1992) 0.06" 0.7"
Feb 2 12° 35° -38° (1996) 59° (1962) 0.06" 0.8"
Feb 3 12° 35° -34° (1989) 54° (1954) 0.06" 0.7"
Feb 4 12° 35° -45° (1989) 56° (2005) 0.06" 0.8"
Feb 5 12° 35° -36° (1982) 57° (1963) 0.06" 0.7"
Feb 6 12° 35° -26° (1975) 51° (1963) 0.06" 0.7"
Feb 7 12° 36° -20° (1973) 56° (1963) 0.05" 0.7"
Feb 8 12° 36° -36° (1994) 56° (1954) 0.06" 0.6"
Feb 9 12° 36° -23° (1982) 50° (1954) 0.06" 0.7"
Feb 10 12° 36° -40° (1981) 55° (1951) 0.06" 0.6"
Feb 11 12° 36° -16° (1955) 52° (1952) 0.06" 0.7"
Feb 12 12° 37° -29° (1949) 50° (1971) 0.06" 0.6"
Feb 13 12° 37° -31° (1949) 50° (1957) 0.06" 0.6"
Feb 14 12° 37° -28° (1990) 51° (1957) 0.06" 0.6"
Feb 15 13° 38° -17° (1990) 52° (1977) 0.06" 0.6"
Feb 16 13° 38° -39° (1956) 52° (1977) 0.05" 0.6"
Feb 17 13° 38° -36° (1993) 53° (1996) 0.06" 0.6"
Feb 18 13° 38° -38° (2006) 60° (1958) 0.05" 0.7"
Feb 19 13° 39° -24° (2006) 55° (1958) 0.06" 0.6"
Feb 20 13° 39° -13° (1986) 54° (1977) 0.06" 0.6"
Feb 21 14° 39° -8° (2010) 55° (1958) 0.06" 0.7"
Feb 22 14° 40° -16° (1952) 60° (1958) 0.05" 0.6"
Feb 23 14° 40° -14° (1965) 54° (1981) 0.06" 0.6"
Feb 24 14° 40° -28° (2003) 59° (1995) 0.05" 0.6"
Feb 25 15° 40° -22° (2002) 60° (1995) 0.05" 0.6"
Feb 26 15° 41° -38° (1962) 54° (2005) 0.05" 0.6"
Feb 27 15° 41° -31° (1960) 57° (1980) 0.05" 0.5"
Feb 28 15° 41° -32° (1960) 57° (1968) 0.05" 0.6"
Feb 29 16° 42° -17° (1960) 61° (1968) 0.05" NA
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