Bighorn, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 32° -48° (1954) 72° (1992) 0.51" NA
February 15° 40° -37° (1996) 75° (1992) 0.34" NA
March 24° 50° -27° (1960) 82° (2004) 0.82" NA
April 33° 61° 5° (1955) 97° (1952) 1.31" NA
May 43° 70° 14° (1954) 100° (1980) 2.52" NA
June 52° 79° 29° (1969) 106° (1988) 1.93" NA
July 56° 86° 37° (1972) 108° (2002) 1.48" NA
August 55° 86° 32° (1992) 108° (1961) 0.93" NA
September 45° 74° 19° (1985) 105° (1983) 1.4" NA
October 34° 62° -9° (1991) 93° (1980) 1.19" NA
November 22° 44° -31° (1985) 79° (1999) 0.59" NA
December 13° 34° -46° (1989) 70° (1980) 0.46" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 66° 20° (1950) 92° (1981) 0.07" NA
May 2 38° 66° 15° (1951) 94° (1985) 0.07" NA
May 3 39° 66° 14° (1954) 89° (1985) 0.07" NA
May 4 39° 67° 21° (1967) 90° (1966) 0.07" NA
May 5 39° 67° 24° (1967) 90° (1966) 0.07" NA
May 6 39° 67° 27° (1961) 93° (1966) 0.08" NA
May 7 40° 67° 25° (1959) 91° (1992) 0.08" NA
May 8 40° 68° 26° (1984) 89° (1985) 0.08" NA
May 9 40° 68° 25° (1968) 88° (1987) 0.08" NA
May 10 41° 68° 28° (1968) 89° (1977) 0.08" NA
May 11 41° 69° 21° (1968) 90° (1960) 0.08" NA
May 12 41° 69° 28° (1973) 98° (1960) 0.08" NA
May 13 42° 69° 20° (2004) 94° (2001) 0.08" NA
May 14 42° 69° 25° (1953) 90° (1984) 0.08" NA
May 15 42° 70° 30° (1953) 95° (1984) 0.08" NA
May 16 43° 70° 30° (1968) 92° (1988) 0.09" NA
May 17 43° 70° 31° (2002) 95° (1972) 0.09" NA
May 18 43° 71° 28° (1965) 90° (1956) 0.09" NA
May 19 44° 71° 24° (1997) 93° (1954) 0.09" NA
May 20 44° 71° 28° (2003) 96° (1964) 0.09" NA
May 21 44° 72° 28° (1963) 99° (1980) 0.09" NA
May 22 45° 72° 30° (1969) 100° (1980) 0.09" NA
May 23 45° 72° 30° (2002) 94° (1980) 0.09" NA
May 24 45° 72° 30° (2002) 94° (1985) 0.09" NA
May 25 46° 73° 32° (1950) 90° (1952) 0.08" NA
May 26 46° 73° 29° (1989) 98° (1969) 0.08" NA
May 27 46° 73° 28° (1965) 97° (1969) 0.08" NA
May 28 47° 74° 34° (1959) 95° (1958) 0.08" NA
May 29 47° 74° 33° (1954) 97° (1988) 0.08" NA
May 30 47° 74° 36° (1973) 95° (1984) 0.08" NA
May 31 48° 75° 28° (1982) 94° (1972) 0.08" NA
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