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
Feb 1 12° 34° -34° (1989) 59° (1992) 0.01" NA
Feb 2 13° 34° -35° (1989) 67° (1962) 0.01" NA
Feb 3 13° 34° -35° (1989) 63° (1954) 0.01" NA
Feb 4 13° 35° -22° (1975) 61° (2005) 0.01" NA
Feb 5 13° 35° -26° (1975) 57° (1961) 0.01" NA
Feb 6 13° 35° -10° (1975) 63° (1963) 0.01" NA
Feb 7 14° 36° -18° (1994) 64° (1954) 0.01" NA
Feb 8 14° 36° -28° (1994) 64° (1954) 0.01" NA
Feb 9 14° 36° -22° (1985) 66° (1970) 0.01" NA
Feb 10 14° 36° -26° (1981) 62° (1970) 0.01" NA
Feb 11 14° 37° -14° (1975) 62° (1987) 0.01" NA
Feb 12 15° 37° -17° (1949) 58° (2005) 0.01" NA
Feb 13 15° 37° -20° (1978) 58° (1996) 0.01" NA
Feb 14 15° 38° -17° (1978) 60° (1996) 0.01" NA
Feb 15 15° 38° -24° (1956) 56° (1991) 0.01" NA
Feb 16 15° 38° -27° (1956) 61° (1977) 0.01" NA
Feb 17 16° 38° -26° (2006) 64° (1996) 0.01" NA
Feb 18 16° 39° -16° (2006) 60° (1965) 0.01" NA
Feb 19 16° 39° -21° (1986) 64° (1981) 0.01" NA
Feb 20 16° 39° -22° (1986) 63° (1977) 0.01" NA
Feb 21 16° 39° -16° (1957) 67° (1977) 0.01" NA
Feb 22 17° 40° -16° (1957) 63° (1958) 0.01" NA
Feb 23 17° 40° -13° (1957) 62° (1990) 0.01" NA
Feb 24 17° 40° -18° (1994) 64° (1983) 0.01" NA
Feb 25 17° 40° -27° (2003) 70° (1995) 0.01" NA
Feb 26 17° 41° -17° (1996) 65° (1950) 0.01" NA
Feb 27 18° 41° -20° (1960) 66° (1988) 0.01" NA
Feb 28 18° 41° -20° (1996) 65° (1968) 0.02" NA
Feb 29 18° 41° -8° (1976) 70° (1992) 0.02" NA
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