Bighorn, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 35° -48° (1954) 72° (1992) 0.4" 7.1"
February 15° 40° -37° (1996) 75° (1992) 0.45" 4.9"
March 23° 50° -27° (1960) 82° (2004) 0.88" 6.7"
April 32° 61° 5° (1955) 97° (1952) 1.43" 3.2"
May 42° 70° 14° (1954) 100° (1980) 2.45" 1"
June 50° 79° 29° (1969) 106° (1988) 2.08" 0"
July 56° 87° 37° (1972) 108° (2002) 1.46" 0"
August 54° 86° 32° (1992) 108° (1961) 0.92" 0"
September 44° 75° 19° (1985) 105° (1983) 1.34" 0.2"
October 33° 61° -9° (1991) 93° (1980) 1.17" 1.8"
November 22° 46° -31° (1985) 79° (1999) 0.59" 5"
December 12° 35° -46° (1989) 70° (1980) 0.46" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 37° 66° 20° (1950) 92° (1981) 0.07" 0.1"
May 2 37° 67° 15° (1951) 94° (1985) 0.06" 0"
May 3 37° 67° 14° (1954) 89° (1985) 0.07" 0.1"
May 4 38° 67° 21° (1967) 90° (1966) 0.06" 0"
May 5 38° 67° 24° (1967) 90° (1966) 0.07" 0.1"
May 6 38° 68° 27° (1961) 93° (1966) 0.06" 0"
May 7 39° 68° 23° (2010) 91° (1992) 0.06" 0.1"
May 8 39° 68° 24° (2010) 89° (1985) 0.07" 0"
May 9 39° 69° 25° (1968) 88° (1987) 0.08" 0.1"
May 10 40° 69° 28° (1968) 89° (1977) 0.07" 0"
May 11 40° 69° 21° (1968) 90° (1960) 0.08" 0.1"
May 12 40° 69° 28° (1973) 98° (1960) 0.08" 0"
May 13 41° 70° 20° (2004) 94° (2001) 0.08" 0.1"
May 14 41° 70° 25° (1953) 90° (1984) 0.08" 0"
May 15 41° 70° 30° (1953) 95° (1984) 0.08" 0"
May 16 42° 70° 30° (1968) 92° (1988) 0.08" 0"
May 17 42° 71° 31° (2002) 95° (1972) 0.08" 0.1"
May 18 43° 71° 28° (1965) 90° (1956) 0.09" 0"
May 19 43° 71° 24° (1997) 93° (1954) 0.08" 0"
May 20 43° 71° 28° (2003) 96° (1964) 0.08" 0.1"
May 21 44° 72° 28° (1963) 99° (1980) 0.09" 0"
May 22 44° 72° 30° (1969) 100° (1980) 0.08" 0"
May 23 44° 72° 30° (2002) 94° (1980) 0.09" 0"
May 24 45° 72° 30° (2002) 94° (1985) 0.08" 0.1"
May 25 45° 73° 32° (1950) 90° (1952) 0.09" 0"
May 26 45° 73° 29° (1989) 98° (1969) 0.09" 0"
May 27 45° 73° 28° (1965) 97° (1969) 0.09" 0"
May 28 46° 73° 34° (1959) 95° (1958) 0.09" 0"
May 29 46° 74° 33° (1954) 97° (1988) 0.09" 0"
May 30 46° 74° 36° (1973) 95° (1984) 0.09" 0"
May 31 47° 74° 28° (1982) 94° (1972) 0.09" 0"
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