Swan Valley, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 30° -43° (1963) 55° (1974) 1.54" NA
February 15° 36° -36° (1982) 60° (1963) 0.97" NA
March 23° 44° -25° (1971) 72° (2004) 1.38" NA
April 29° 55° -3° (1975) 83° (1992) 1.62" NA
May 36° 64° 12° (1990) 91° (2003) 2.75" NA
June 42° 75° 20° (1979) 101° (1988) 1.48" NA
July 47° 84° 26° (1981) 101° (2000) 1.39" NA
August 46° 83° 23° (1962) 101° (1990) 1.34" NA
September 38° 73° 8° (1985) 96° (1990) 1.39" NA
October 29° 60° 0° (1971) 83° (2003) 1.37" NA
November 21° 41° -21° (1975) 69° (1999) 1.53" NA
December 12° 31° -43° (1990) 58° (1995) 1.3" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 42° 79° 27° (1962) 95° (1990) 0.04" NA
Sep 2 42° 78° 25° (1974) 91° (1988) 0.04" NA
Sep 3 41° 78° 26° (1981) 91° (1988) 0.04" NA
Sep 4 41° 77° 24° (1969) 93° (1991) 0.04" NA
Sep 5 41° 77° 30° (1964) 90° (1976) 0.04" NA
Sep 6 40° 77° 26° (1996) 92° (1991) 0.05" NA
Sep 7 40° 76° 28° (1984) 90° (1979) 0.05" NA
Sep 8 40° 76° 21° (1976) 89° (1969) 0.05" NA
Sep 9 40° 76° 19° (1962) 91° (1988) 0.05" NA
Sep 10 39° 75° 25° (1964) 88° (1990) 0.05" NA
Sep 11 39° 75° 23° (1964) 94° (1990) 0.05" NA
Sep 12 39° 74° 18° (1988) 93° (1990) 0.05" NA
Sep 13 38° 74° 19° (1974) 88° (1990) 0.05" NA
Sep 14 38° 74° 22° (1974) 95° (1990) 0.05" NA
Sep 15 38° 73° 20° (1970) 96° (1990) 0.05" NA
Sep 16 37° 73° 18° (1971) 88° (2000) 0.05" NA
Sep 17 37° 73° 15° (1971) 89° (1981) 0.05" NA
Sep 18 37° 72° 16° (1971) 87° (1981) 0.05" NA
Sep 19 36° 72° 18° (1964) 87° (1984) 0.05" NA
Sep 20 36° 71° 11° (1983) 85° (1962) 0.05" NA
Sep 21 36° 71° 17° (1995) 85° (1966) 0.05" NA
Sep 22 35° 71° 20° (1971) 88° (1987) 0.05" NA
Sep 23 35° 70° 18° (1985) 89° (1987) 0.05" NA
Sep 24 35° 70° 21° (1961) 89° (1987) 0.05" NA
Sep 25 35° 69° 16° (1970) 87° (2001) 0.04" NA
Sep 26 34° 69° 19° (1970) 85° (1991) 0.04" NA
Sep 27 34° 69° 18° (1964) 85° (2001) 0.04" NA
Sep 28 34° 68° 15° (1999) 85° (1967) 0.04" NA
Sep 29 33° 68° 8° (1985) 85° (1989) 0.04" NA
Sep 30 33° 68° 9° (1985) 84° (1992) 0.04" NA
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