Ismay, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -52° (1916) 66° (1992) 0.48" 5.4"
February 12° 34° -45° (1936) 70° (1992) 0.45" 4.7"
March 21° 45° -32° (1996) 80° (1946) 0.8" 6.3"
April 31° 58° -9° (1997) 92° (1926) 1.45" 4.2"
May 41° 68° 7° (1954) 100° (1934) 2.4" 2.1"
June 50° 78° 23° (1919) 110° (1988) 2.59" 0"
July 56° 87° 35° (1972) 111° (1936) 1.72" 0"
August 54° 86° 27° (1941) 110° (1949) 1.29" 0"
September 43° 74° 12° (1995) 105° (1978) 1.26" 0.3"
October 31° 59° -16° (1925) 94° (1963) 1.21" 1.8"
November 18° 42° -32° (1985) 79° (1999) 0.6" 4.3"
December 30° -45° (1989) 68° (1939) 0.39" 4.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 49° 81° 32° (1924) 103° (1929) 0.04" 0"
Sep 2 49° 81° 22° (1974) 101° (1990) 0.03" 0"
Sep 3 48° 80° 28° (1959) 100° (1923) 0.04" 0"
Sep 4 48° 80° 25° (1962) 101° (1978) 0.04" 0"
Sep 5 48° 79° 28° (1965) 105° (1978) 0.04" 0"
Sep 6 47° 79° 24° (1929) 104° (1976) 0.05" 0"
Sep 7 47° 78° 28° (1986) 100° (1980) 0.04" 0"
Sep 8 46° 78° 27° (1929) 98° (1947) 0.04" 0"
Sep 9 46° 78° 29° (1929) 101° (1994) 0.04" 0"
Sep 10 46° 77° 26° (1964) 96° (1978) 0.04" 0"
Sep 11 45° 77° 20° (1989) 94° (1971) 0.04" 0"
Sep 12 45° 76° 22° (1989) 102° (1990) 0.04" 0"
Sep 13 44° 76° 19° (1949) 96° (1948) 0.04" 0"
Sep 14 44° 75° 21° (1961) 96° (1946) 0.04" 0.1"
Sep 15 43° 75° 20° (1918) 100° (1948) 0.04" 0"
Sep 16 43° 74° 28° (1958) 100° (1948) 0.04" 0"
Sep 17 42° 74° 23° (1965) 97° (1920) 0.04" 0"
Sep 18 42° 73° 24° (1991) 96° (1914) 0.04" 0"
Sep 19 42° 72° 18° (1918) 93° (1943) 0.04" 0"
Sep 20 41° 72° 18° (1927) 94° (1922) 0.04" 0"
Sep 21 41° 71° 12° (1995) 96° (1922) 0.05" 0"
Sep 22 40° 71° 18° (1995) 96° (1938) 0.04" 0"
Sep 23 40° 70° 23° (1927) 97° (1992) 0.05" 0"
Sep 24 39° 70° 19° (1926) 94° (1992) 0.04" 0.1"
Sep 25 39° 69° 12° (1926) 91° (1949) 0.05" 0"
Sep 26 39° 69° 17° (1934) 90° (1914) 0.05" 0"
Sep 27 38° 68° 13° (1928) 94° (1922) 0.04" 0"
Sep 28 38° 68° 20° (1960) 91° (2001) 0.05" 0"
Sep 29 37° 67° 16° (1920) 92° (1989) 0.04" 0.1"
Sep 30 37° 67° 12° (1961) 95° (1989) 0.05" 0"
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