Grantsdale, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 34° -36° (1937) 63° (1989) 1.11" NA
February 20° 41° -39° (1899) 71° (1995) 0.86" NA
March 26° 50° -14° (1955) 82° (1941) 0.91" NA
April 32° 58° 1° (1936) 90° (1936) 1.05" NA
May 39° 66° 0° (1901) 102° (1936) 1.75" NA
June 45° 74° 24° (1924) 100° (1933) 1.62" NA
July 49° 83° 31° (1971) 105° (1895) 1" NA
August 48° 82° 19° (1895) 103° (1969) 1.14" NA
September 40° 71° 10° (1895) 98° (1998) 1.07" NA
October 31° 59° -1° (1935) 90° (1901) 0.78" NA
November 23° 42° -24° (1955) 76° (1999) 1.11" NA
December 17° 34° -31° (1972) 66° (1957) 1.14" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 50° 85° 39° (1987) 101° (1900) 0.03" NA
Aug 2 50° 85° 36° (1987) 99° (1966) 0.03" NA
Aug 3 50° 84° 38° (1988) 101° (1961) 0.03" NA
Aug 4 50° 84° 40° (1956) 101° (1961) 0.03" NA
Aug 5 50° 84° 37° (1980) 101° (1961) 0.03" NA
Aug 6 50° 84° 38° (1909) 100° (1901) 0.03" NA
Aug 7 50° 84° 36° (1988) 98° (1958) 0.03" NA
Aug 8 49° 84° 39° (1946) 100° (1930) 0.03" NA
Aug 9 49° 84° 39° (1914) 100° (1935) 0.03" NA
Aug 10 49° 84° 40° (1917) 101° (2003) 0.03" NA
Aug 11 49° 84° 38° (1901) 99° (1996) 0.04" NA
Aug 12 49° 83° 35° (1899) 101° (1940) 0.04" NA
Aug 13 49° 83° 36° (1900) 99° (1935) 0.04" NA
Aug 14 49° 83° 38° (1928) 101° (1929) 0.04" NA
Aug 15 49° 83° 36° (1974) 100° (1929) 0.04" NA
Aug 16 48° 83° 29° (1895) 98° (1931) 0.04" NA
Aug 17 48° 82° 24° (1895) 99° (1931) 0.04" NA
Aug 18 48° 82° 19° (1895) 96° (1931) 0.04" NA
Aug 19 48° 82° 19° (1895) 98° (1942) 0.04" NA
Aug 20 48° 82° 28° (1895) 96° (1942) 0.04" NA
Aug 21 48° 81° 30° (1895) 98° (1969) 0.04" NA
Aug 22 47° 81° 22° (1895) 98° (1935) 0.04" NA
Aug 23 47° 81° 28° (1895) 102° (1935) 0.04" NA
Aug 24 47° 80° 28° (1895) 103° (1969) 0.04" NA
Aug 25 47° 80° 26° (1895) 97° (1969) 0.04" NA
Aug 26 46° 79° 22° (1895) 94° (1901) 0.04" NA
Aug 27 46° 79° 24° (1895) 95° (1939) 0.04" NA
Aug 28 46° 79° 19° (1895) 94° (1915) 0.04" NA
Aug 29 45° 78° 21° (1895) 98° (1998) 0.04" NA
Aug 30 45° 78° 27° (1895) 96° (1921) 0.04" NA
Aug 31 45° 77° 27° (1895) 96° (1929) 0.04" NA
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