Sumatra, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 37° -43° (1954) 70° (1953) 0.47" 7.7"
February 17° 41° -36° (1996) 76° (1992) 0.45" 6.3"
March 25° 51° -29° (1960) 81° (2004) 0.89" 7.7"
April 33° 61° 1° (1986) 92° (1952) 1.55" 4.4"
May 42° 71° 8° (1954) 97° (1980) 2.62" 1.6"
June 51° 80° 23° (1969) 105° (1988) 2.69" 0"
July 57° 89° 35° (1952) 111° (2002) 1.6" 0"
August 55° 89° 32° (1992) 110° (1957) 1.06" 0"
September 45° 76° 18° (1985) 106° (1950) 1.28" 0.5"
October 35° 62° -9° (1991) 92° (1992) 1.17" 2.3"
November 24° 47° -30° (1955) 79° (1999) 0.58" 5.9"
December 14° 36° -43° (1983) 69° (1980) 0.61" 8.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 48° 75° 34° (1951) 92° (1956) 0.1" 0"
Jun 2 48° 75° 35° (1951) 94° (2006) 0.1" 0"
Jun 3 48° 76° 34° (1950) 96° (1988) 0.11" 0"
Jun 4 48° 76° 37° (1951) 103° (1988) 0.1" 0"
Jun 5 49° 76° 36° (1990) 105° (1988) 0.11" 0"
Jun 6 49° 76° 33° (1960) 94° (1988) 0.1" 0"
Jun 7 49° 77° 36° (1950) 101° (1988) 0.1" 0"
Jun 8 49° 77° 32° (1950) 100° (1988) 0.09" 0"
Jun 9 50° 77° 35° (1998) 99° (1956) 0.1" 0"
Jun 10 50° 78° 34° (2009) 99° (1949) 0.09" 0"
Jun 11 50° 78° 35° (1959) 96° (1949) 0.09" 0"
Jun 12 50° 78° 33° (1969) 96° (1979) 0.09" 0"
Jun 13 51° 79° 29° (1969) 99° (1979) 0.09" 0"
Jun 14 51° 79° 23° (1969) 97° (1987) 0.09" 0"
Jun 15 51° 79° 34° (1969) 101° (1987) 0.09" 0"
Jun 16 51° 80° 34° (1966) 96° (1988) 0.09" 0"
Jun 17 51° 80° 39° (1954) 99° (1961) 0.09" 0"
Jun 18 52° 80° 35° (2004) 95° (1961) 0.09" 0"
Jun 19 52° 81° 40° (1954) 100° (1989) 0.09" 0"
Jun 20 52° 81° 36° (1978) 103° (1988) 0.1" 0"
Jun 21 52° 81° 35° (1951) 96° (1961) 0.09" 0"
Jun 22 53° 82° 40° (1953) 100° (1988) 0.08" 0"
Jun 23 53° 82° 38° (1953) 102° (1971) 0.08" 0"
Jun 24 53° 83° 40° (1967) 98° (1986) 0.08" 0"
Jun 25 53° 83° 36° (1958) 101° (2009) 0.08" 0"
Jun 26 53° 83° 37° (1989) 104° (1988) 0.08" 0"
Jun 27 54° 84° 39° (1976) 104° (2002) 0.07" 0"
Jun 28 54° 84° 40° (1959) 104° (2002) 0.08" 0"
Jun 29 54° 84° 42° (1968) 103° (1984) 0.07" 0"
Jun 30 54° 85° 40° (1951) 103° (1990) 0.07" 0"
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