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
Jan 1 16° 33° -28° (1979) 62° (1918) 0.04" NA
Jan 2 16° 33° -20° (1978) 57° (1939) 0.04" NA
Jan 3 16° 33° -23° (1910) 57° (1918) 0.04" NA
Jan 4 16° 33° -19° (1942) 58° (1984) 0.04" NA
Jan 5 16° 33° -24° (1942) 55° (2001) 0.04" NA
Jan 6 16° 33° -26° (1979) 61° (1914) 0.04" NA
Jan 7 16° 33° -33° (1937) 55° (1966) 0.04" NA
Jan 8 16° 33° -28° (1937) 55° (1986) 0.04" NA
Jan 9 16° 33° -19° (1937) 58° (1953) 0.04" NA
Jan 10 16° 33° -33° (1909) 58° (1959) 0.04" NA
Jan 11 16° 34° -27° (1963) 60° (1953) 0.04" NA
Jan 12 16° 34° -27° (1916) 58° (1953) 0.04" NA
Jan 13 17° 34° -17° (1993) 59° (1994) 0.04" NA
Jan 14 17° 34° -17° (1907) 61° (1973) 0.04" NA
Jan 15 17° 34° -14° (1930) 61° (1973) 0.04" NA
Jan 16 17° 34° -28° (1916) 56° (1909) 0.04" NA
Jan 17 17° 34° -32° (1930) 57° (1915) 0.04" NA
Jan 18 17° 34° -30° (1916) 59° (1994) 0.04" NA
Jan 19 17° 35° -24° (1916) 62° (1971) 0.03" NA
Jan 20 17° 35° -30° (1937) 58° (1989) 0.03" NA
Jan 21 17° 35° -36° (1937) 56° (1947) 0.03" NA
Jan 22 17° 35° -30° (1930) 57° (1910) 0.03" NA
Jan 23 17° 35° -28° (1930) 58° (1953) 0.03" NA
Jan 24 17° 35° -27° (1930) 58° (1953) 0.03" NA
Jan 25 17° 36° -28° (1957) 56° (1935) 0.03" NA
Jan 26 18° 36° -35° (1957) 55° (1934) 0.03" NA
Jan 27 18° 36° -32° (1957) 61° (1934) 0.03" NA
Jan 28 18° 36° -23° (1916) 61° (1931) 0.03" NA
Jan 29 18° 36° -25° (1916) 58° (1971) 0.03" NA
Jan 30 18° 37° -28° (1937) 63° (1989) 0.03" NA
Jan 31 18° 37° -30° (1937) 61° (1989) 0.03" NA
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