Big Hole Natl Battlefield, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -52° (1951) 53° (2005) 0.63" NA
February 31° -52° (1989) 55° (1995) 0.52" NA
March 12° 40° -33° (1989) 68° (2004) 0.72" NA
April 21° 50° -18° (1982) 80° (1949) 1.01" NA
May 28° 60° 8° (1954) 85° (2003) 1.83" NA
June 35° 69° 19° (1979) 91° (1988) 2.07" NA
July 37° 79° -27° (1955) 98° (2002) 1.22" NA
August 34° 78° 11° (1992) 96° (1949) 1.07" NA
September 27° 68° 3° (1985) 89° (2007) 1" NA
October 20° 55° -23° (1991) 79° (1992) 0.74" NA
November 11° 37° -34° (1955) 66° (1962) 0.83" NA
December 26° -55° (1983) 53° (1979) 0.68" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 24° 56° 8° (1954) 74° (1985) 0.04" NA
May 2 24° 56° 10° (1973) 75° (1985) 0.05" NA
May 3 24° 56° 12° (2006) 76° (1966) 0.05" NA
May 4 24° 57° 15° (2002) 79° (1966) 0.04" NA
May 5 25° 57° 9° (2010) 80° (1966) 0.05" NA
May 6 25° 57° 11° (1968) 77° (1966) 0.05" NA
May 7 25° 58° 11° (1979) 79° (1987) 0.05" NA
May 8 26° 58° 11° (1965) 79° (1987) 0.05" NA
May 9 26° 58° 10° (2002) 76° (1954) 0.05" NA
May 10 26° 59° 12° (2006) 75° (1960) 0.05" NA
May 11 27° 59° 10° (1973) 76° (1993) 0.05" NA
May 12 27° 59° 9° (1985) 79° (2001) 0.05" NA
May 13 27° 59° 10° (1985) 78° (1993) 0.05" NA
May 14 28° 60° 13° (1983) 78° (1993) 0.05" NA
May 15 28° 60° 18° (1986) 79° (2006) 0.06" NA
May 16 28° 60° 14° (1974) 81° (2006) 0.06" NA
May 17 29° 60° 16° (2003) 80° (2006) 0.06" NA
May 18 29° 61° 13° (1965) 81° (1954) 0.06" NA
May 19 29° 61° 16° (2003) 84° (1954) 0.07" NA
May 20 29° 61° 16° (2003) 84° (1954) 0.06" NA
May 21 30° 61° 14° (1973) 79° (1980) 0.07" NA
May 22 30° 62° 17° (1973) 77° (1956) 0.06" NA
May 23 30° 62° 13° (1986) 78° (1979) 0.07" NA
May 24 31° 62° 20° (1960) 81° (2003) 0.08" NA
May 25 31° 62° 16° (1950) 79° (1992) 0.07" NA
May 26 31° 62° 18° (1967) 83° (1986) 0.07" NA
May 27 31° 63° 18° (1973) 82° (1966) 0.07" NA
May 28 32° 63° 20° (1955) 85° (2003) 0.07" NA
May 29 32° 63° 19° (1951) 85° (2003) 0.07" NA
May 30 32° 63° 18° (1973) 85° (1986) 0.08" NA
May 31 33° 64° 20° (1950) 84° (1986) 0.07" NA
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