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
Jun 1 46° 70° 31° (1951) 93° (1986) 0.08" NA
Jun 2 46° 70° 31° (1951) 86° (1986) 0.08" NA
Jun 3 46° 70° 33° (2001) 86° (1922) 0.08" NA
Jun 4 46° 70° 30° (1916) 88° (1922) 0.08" NA
Jun 5 46° 71° 34° (1932) 86° (1938) 0.08" NA
Jun 6 47° 71° 32° (1916) 91° (1926) 0.08" NA
Jun 7 47° 71° 33° (1965) 92° (1926) 0.08" NA
Jun 8 47° 71° 34° (1965) 88° (1926) 0.08" NA
Jun 9 47° 72° 35° (1960) 88° (1992) 0.08" NA
Jun 10 48° 72° 34° (1950) 90° (1930) 0.08" NA
Jun 11 48° 72° 33° (1959) 94° (1918) 0.08" NA
Jun 12 48° 72° 38° (1956) 89° (1979) 0.08" NA
Jun 13 48° 73° 33° (1952) 90° (1974) 0.07" NA
Jun 14 48° 73° 37° (1935) 88° (1932) 0.07" NA
Jun 15 49° 73° 35° (2004) 90° (1933) 0.07" NA
Jun 16 49° 74° 37° (1935) 94° (1930) 0.07" NA
Jun 17 49° 74° 38° (1954) 93° (1974) 0.07" NA
Jun 18 49° 74° 30° (1960) 92° (1974) 0.07" NA
Jun 19 49° 74° 39° (1936) 91° (1985) 0.07" NA
Jun 20 50° 75° 33° (1916) 91° (1919) 0.07" NA
Jun 21 50° 75° 33° (1916) 95° (1919) 0.07" NA
Jun 22 50° 75° 33° (1960) 94° (1919) 0.07" NA
Jun 23 50° 76° 38° (1920) 94° (1992) 0.06" NA
Jun 24 50° 76° 26° (1920) 96° (1986) 0.06" NA
Jun 25 50° 76° 30° (1920) 93° (1940) 0.06" NA
Jun 26 51° 76° 36° (2007) 98° (1919) 0.06" NA
Jun 27 51° 77° 40° (1920) 93° (1936) 0.06" NA
Jun 28 51° 77° 35° (1946) 90° (2006) 0.06" NA
Jun 29 51° 77° 35° (1975) 92° (1940) 0.06" NA
Jun 30 51° 78° 34° (1949) 92° (1990) 0.06" NA
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