Grantsdale, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 37° -36° (1937) 63° (1989) 0.86" NA
February 19° 42° -39° (1899) 71° (1995) 0.85" NA
March 25° 51° -14° (1955) 82° (1941) 0.96" NA
April 32° 59° 1° (1936) 90° (1936) 1.04" NA
May 39° 67° 0° (1901) 102° (1936) 1.68" NA
June 46° 75° 24° (1924) 100° (1933) 1.58" NA
July 50° 85° 31° (1971) 105° (1895) 0.97" NA
August 48° 84° 19° (1895) 103° (1969) 1.03" NA
September 40° 73° 10° (1895) 98° (1998) 1.04" NA
October 31° 59° -1° (1935) 90° (1901) 0.76" NA
November 23° 44° -24° (1955) 76° (1999) 1.17" NA
December 16° 34° -31° (1972) 66° (1957) 1.22" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 51° 87° 39° (1987) 101° (1900) 0.03" NA
Aug 2 50° 87° 36° (1987) 99° (1966) 0.03" NA
Aug 3 50° 87° 38° (1988) 101° (1961) 0.03" NA
Aug 4 50° 87° 40° (1956) 101° (1961) 0.02" NA
Aug 5 50° 87° 37° (1980) 101° (1961) 0.03" NA
Aug 6 50° 86° 38° (1909) 100° (1901) 0.03" NA
Aug 7 50° 86° 36° (1988) 98° (1958) 0.03" NA
Aug 8 50° 86° 39° (1946) 100° (1930) 0.04" NA
Aug 9 50° 86° 39° (1914) 100° (1935) 0.03" NA
Aug 10 49° 86° 40° (1917) 101° (2003) 0.03" NA
Aug 11 49° 85° 38° (1901) 99° (1996) 0.04" NA
Aug 12 49° 85° 35° (1899) 101° (1940) 0.03" NA
Aug 13 49° 85° 36° (1900) 99° (1935) 0.03" NA
Aug 14 49° 85° 38° (1928) 101° (1929) 0.04" NA
Aug 15 48° 84° 36° (1974) 100° (1929) 0.03" NA
Aug 16 48° 84° 29° (1895) 98° (1931) 0.03" NA
Aug 17 48° 84° 24° (1895) 99° (1931) 0.03" NA
Aug 18 48° 83° 19° (1895) 96° (1931) 0.04" NA
Aug 19 47° 83° 19° (1895) 99° (2008) 0.03" NA
Aug 20 47° 83° 28° (1895) 96° (1942) 0.04" NA
Aug 21 47° 82° 30° (1895) 98° (1969) 0.03" NA
Aug 22 47° 82° 22° (1895) 98° (1935) 0.04" NA
Aug 23 47° 82° 28° (1895) 102° (1935) 0.03" NA
Aug 24 46° 81° 28° (1895) 103° (1969) 0.04" NA
Aug 25 46° 81° 26° (1895) 97° (1969) 0.03" NA
Aug 26 46° 81° 22° (1895) 95° (2010) 0.04" NA
Aug 27 46° 80° 24° (1895) 97° (2010) 0.03" NA
Aug 28 45° 80° 19° (1895) 94° (1915) 0.04" NA
Aug 29 45° 80° 21° (1895) 98° (1998) 0.04" NA
Aug 30 45° 79° 27° (1895) 96° (1921) 0.03" NA
Aug 31 45° 79° 27° (1895) 96° (1929) 0.04" NA
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