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
Sep 1 41° 77° 27° (1969) 94° (1967) 0.05" NA
Sep 2 40° 76° 27° (1959) 93° (1967) 0.05" NA
Sep 3 40° 76° 28° (1956) 94° (1950) 0.05" NA
Sep 4 40° 75° 28° (1948) 94° (1950) 0.05" NA
Sep 5 39° 75° 26° (1956) 94° (1967) 0.05" NA
Sep 6 39° 74° 22° (1969) 94° (1967) 0.05" NA
Sep 7 39° 74° 22° (1969) 93° (1955) 0.05" NA
Sep 8 39° 74° 26° (1960) 92° (1958) 0.05" NA
Sep 9 38° 73° 25° (1962) 90° (1981) 0.05" NA
Sep 10 38° 73° 25° (1972) 90° (1981) 0.05" NA
Sep 11 38° 72° 27° (1964) 89° (1958) 0.05" NA
Sep 12 37° 72° 25° (1950) 88° (1958) 0.05" NA
Sep 13 37° 71° 24° (1999) 86° (1959) 0.04" NA
Sep 14 37° 71° 18° (1970) 85° (1948) 0.04" NA
Sep 15 37° 70° 17° (1970) 87° (2000) 0.04" NA
Sep 16 36° 70° 20° (1970) 94° (2000) 0.04" NA
Sep 17 36° 70° 19° (1965) 88° (1981) 0.04" NA
Sep 18 36° 69° 21° (1971) 92° (1981) 0.04" NA
Sep 19 35° 69° 22° (1955) 92° (1981) 0.04" NA
Sep 20 35° 68° 21° (1983) 85° (1984) 0.04" NA
Sep 21 35° 68° 18° (1971) 86° (1967) 0.04" NA
Sep 22 35° 68° 20° (1971) 86° (1967) 0.04" NA
Sep 23 34° 67° 15° (2000) 88° (1987) 0.04" NA
Sep 24 34° 67° 18° (1984) 88° (1994) 0.04" NA
Sep 25 34° 66° 20° (1970) 90° (2001) 0.04" NA
Sep 26 34° 66° 23° (1972) 86° (1952) 0.04" NA
Sep 27 34° 66° 18° (1985) 86° (1994) 0.04" NA
Sep 28 33° 65° 16° (1985) 86° (1967) 0.04" NA
Sep 29 33° 65° 18° (1985) 87° (1967) 0.04" NA
Sep 30 33° 65° 16° (1985) 85° (1957) 0.04" NA
Advertisements