Simms, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 32° -35° (1950) 65° (1964) 0.38" 8.3"
February 15° 38° -35° (1989) 70° (1995) 0.29" 5"
March 22° 45° -32° (1951) 80° (2004) 0.59" 9.7"
April 31° 55° -10° (1954) 85° (1987) 1.11" 8"
May 40° 64° 11° (1954) 91° (1986) 2.39" 1.5"
June 47° 72° 29° (1969) 97° (1977) 2.07" 0.2"
July 51° 79° 35° (1999) 100° (2007) 1.54" 0"
August 51° 80° 31° (1992) 103° (1969) 1.55" 0"
September 42° 70° 18° (2000) 96° (1991) 1.19" 2.1"
October 33° 59° -9° (1991) 89° (1992) 0.69" 2.1"
November 22° 42° -28° (1959) 73° (1949) 0.37" 5.8"
December 15° 34° -44° (1968) 66° (1956) 0.33" 7.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 50° 76° 36° (1956) 93° (1990) 0.05" NA
Jul 2 50° 76° 38° (1972) 93° (1985) 0.05" NA
Jul 3 50° 76° 36° (1971) 92° (1985) 0.05" NA
Jul 4 50° 77° 38° (1972) 92° (1981) 0.05" NA
Jul 5 50° 77° 40° (1956) 98° (1981) 0.05" NA
Jul 6 50° 77° 42° (1986) 97° (1981) 0.05" NA
Jul 7 50° 77° 38° (1956) 100° (2007) 0.05" NA
Jul 8 50° 77° 39° (1956) 92° (1985) 0.05" NA
Jul 9 51° 78° 41° (1951) 94° (1985) 0.05" NA
Jul 10 51° 78° 41° (1951) 98° (1973) 0.05" NA
Jul 11 51° 78° 38° (1951) 93° (1973) 0.05" NA
Jul 12 51° 78° 40° (1959) 98° (2002) 0.05" NA
Jul 13 51° 78° 40° (1958) 99° (1953) 0.05" NA
Jul 14 51° 79° 43° (1958) 96° (1953) 0.05" NA
Jul 15 51° 79° 38° (1993) 95° (1953) 0.05" NA
Jul 16 51° 79° 35° (1999) 98° (2007) 0.05" NA
Jul 17 51° 79° 38° (1999) 96° (2004) 0.05" NA
Jul 18 51° 79° 41° (1957) 96° (1960) 0.05" NA
Jul 19 51° 79° 37° (1972) 97° (1960) 0.05" NA
Jul 20 51° 80° 42° (1972) 96° (1960) 0.05" NA
Jul 21 52° 80° 41° (1968) 97° (2003) 0.05" NA
Jul 22 52° 80° 42° (1984) 97° (1960) 0.05" NA
Jul 23 52° 80° 42° (1965) 97° (2003) 0.04" NA
Jul 24 52° 80° 43° (1958) 99° (2003) 0.05" NA
Jul 25 52° 80° 45° (1948) 93° (1988) 0.05" NA
Jul 26 52° 80° 42° (1963) 94° (1988) 0.05" NA
Jul 27 52° 80° 42° (1952) 95° (1975) 0.05" NA
Jul 28 52° 81° 41° (1948) 93° (1998) 0.05" NA
Jul 29 52° 81° 42° (1959) 94° (2006) 0.05" NA
Jul 30 52° 81° 41° (1959) 96° (2000) 0.05" NA
Jul 31 52° 81° 40° (1968) 96° (2000) 0.05" NA
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