Ennis, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 35° -32° (1957) 61° (1981) 0.45" 8.4"
February 15° 39° -31° (1989) 65° (1988) 0.48" 6.7"
March 21° 48° -22° (1989) 73° (1986) 0.81" 7.1"
April 27° 57° 0° (1997) 85° (1987) 1.41" 6.6"
May 34° 66° 12° (2002) 92° (2003) 2.16" 1.2"
June 41° 74° 24° (1951) 94° (1990) 2.39" 0.2"
July 45° 83° 31° (1981) 99° (2007) 1.25" 0"
August 44° 82° 27° (1960) 97° (1961) 1.23" 0"
September 36° 72° 10° (1985) 94° (1967) 0.97" 0"
October 28° 59° -12° (1991) 87° (1992) 1.04" 1.7"
November 21° 43° -27° (1959) 72° (1999) 0.69" 5.8"
December 13° 33° -32° (1978) 60° (1980) 0.5" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 30° 62° 15° (1954) 80° (1981) 0.05" 0.1"
May 2 30° 62° 15° (1954) 79° (1985) 0.06" 0.1"
May 3 31° 63° 20° (1965) 83° (1966) 0.05" 0.1"
May 4 31° 63° 19° (1967) 87° (1966) 0.06" 0"
May 5 31° 63° 17° (2006) 87° (1966) 0.06" 0.1"
May 6 31° 64° 21° (1999) 85° (1992) 0.05" 0.1"
May 7 32° 64° 22° (1961) 85° (1987) 0.06" 0"
May 8 32° 64° 21° (2002) 84° (1987) 0.06" 0.1"
May 9 32° 65° 12° (2002) 80° (1987) 0.07" 0.1"
May 10 33° 65° 21° (2006) 82° (1960) 0.06" 0"
May 11 33° 65° 20° (1973) 86° (1960) 0.06" 0.1"
May 12 33° 65° 21° (1953) 88° (2001) 0.06" 0"
May 13 33° 66° 21° (1983) 84° (2001) 0.07" 0.1"
May 14 34° 66° 20° (1983) 84° (1987) 0.07" 0"
May 15 34° 66° 27° (1953) 87° (1987) 0.07" 0.1"
May 16 34° 66° 21° (1974) 85° (2006) 0.07" 0"
May 17 34° 67° 29° (1960) 87° (2006) 0.07" 0"
May 18 35° 67° 21° (1965) 87° (2006) 0.07" 0.1"
May 19 35° 67° 20° (2003) 92° (1954) 0.08" 0"
May 20 35° 67° 26° (2003) 88° (1958) 0.07" 0"
May 21 35° 67° 24° (2001) 82° (1966) 0.07" 0.1"
May 22 36° 68° 27° (1984) 86° (1967) 0.08" 0"
May 23 36° 68° 25° (1986) 84° (1956) 0.07" 0"
May 24 36° 68° 28° (2007) 84° (2001) 0.08" 0"
May 25 36° 68° 23° (1950) 87° (2003) 0.08" 0"
May 26 37° 69° 27° (1975) 85° (1958) 0.08" 0"
May 27 37° 69° 31° (1973) 87° (1986) 0.08" 0"
May 28 37° 69° 26° (1955) 91° (2003) 0.08" 0"
May 29 37° 69° 24° (1977) 92° (2003) 0.09" 0"
May 30 37° 69° 24° (1977) 90° (2003) 0.09" 0"
May 31 38° 70° 25° (1982) 87° (1986) 0.09" 0"
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