Boulder, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 34° -38° (1957) 58° (2005) 0.4" NA
February 14° 40° -39° (1989) 65° (1995) 0.3" NA
March 20° 47° -28° (1955) 72° (1986) 0.52" NA
April 26° 56° -6° (1997) 83° (1987) 0.76" NA
May 34° 65° 9° (1967) 89° (1986) 1.99" NA
June 42° 74° 22° (1954) 96° (1988) 1.94" NA
July 47° 82° 30° (1949) 101° (2002) 1.51" NA
August 46° 82° 19° (1992) 100° (1961) 1.43" NA
September 36° 71° 8° (1965) 94° (1950) 1.06" NA
October 27° 60° -14° (1991) 87° (1992) 0.61" NA
November 18° 42° -34° (1959) 71° (1999) 0.56" NA
December 11° 35° -42° (1990) 62° (1980) 0.43" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 23° 51° 0° (1975) 72° (1966) 0.02" NA
Apr 2 23° 52° 4° (2002) 73° (1992) 0.02" NA
Apr 3 23° 52° -1° (1970) 73° (1990) 0.02" NA
Apr 4 24° 52° 4° (1968) 71° (1960) 0.02" NA
Apr 5 24° 53° 8° (1975) 72° (1960) 0.02" NA
Apr 6 24° 53° -6° (1997) 71° (1976) 0.02" NA
Apr 7 24° 53° 0° (1964) 71° (1977) 0.02" NA
Apr 8 24° 54° -4° (1982) 75° (1996) 0.02" NA
Apr 9 25° 54° 10° (1975) 76° (1996) 0.02" NA
Apr 10 25° 54° 7° (1975) 73° (1985) 0.02" NA
Apr 11 25° 54° 3° (1997) 73° (1949) 0.02" NA
Apr 12 25° 55° 4° (1997) 73° (1988) 0.02" NA
Apr 13 26° 55° 10° (1986) 74° (1988) 0.02" NA
Apr 14 26° 55° 6° (1986) 75° (1963) 0.02" NA
Apr 15 26° 56° 9° (1999) 75° (1985) 0.02" NA
Apr 16 26° 56° 12° (1970) 78° (1984) 0.02" NA
Apr 17 27° 56° 11° (1970) 78° (1984) 0.02" NA
Apr 18 27° 57° 11° (1966) 76° (1962) 0.02" NA
Apr 19 27° 57° 4° (1966) 82° (1962) 0.02" NA
Apr 20 27° 57° 4° (1966) 80° (1980) 0.03" NA
Apr 21 28° 57° 11° (1951) 79° (1989) 0.03" NA
Apr 22 28° 58° 10° (1967) 78° (1969) 0.03" NA
Apr 23 28° 58° 15° (1968) 76° (1949) 0.03" NA
Apr 24 28° 58° 15° (1958) 76° (1977) 0.03" NA
Apr 25 29° 59° 17° (1954) 78° (1952) 0.03" NA
Apr 26 29° 59° 13° (1994) 77° (1992) 0.04" NA
Apr 27 29° 59° 18° (1994) 82° (1987) 0.04" NA
Apr 28 29° 60° 9° (1984) 83° (1987) 0.04" NA
Apr 29 30° 60° 13° (2005) 80° (1992) 0.04" NA
Apr 30 30° 60° 11° (1950) 80° (1992) 0.04" NA
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