Darby, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 36° -36° (1963) 61° (1994) 1.23" NA
February 22° 41° -28° (1989) 70° (1995) 0.92" NA
March 28° 50° -13° (1955) 78° (1978) 0.9" NA
April 32° 58° 8° (1977) 84° (1992) 1.13" NA
May 39° 67° 17° (1954) 95° (2003) 1.82" NA
June 45° 75° 25° (1952) 98° (2003) 2.07" NA
July 49° 84° 31° (1971) 105° (2002) 1.09" NA
August 48° 83° 6° (1948) 102° (2003) 1.22" NA
September 41° 73° 19° (1985) 98° (1967) 1.19" NA
October 33° 60° -5° (2002) 88° (1996) 1.15" NA
November 26° 44° -25° (1959) 74° (1988) 1.44" NA
December 19° 34° -34° (1983) 61° (1976) 1.29" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 35° 62° 20° (1954) 81° (2000) 0.04" NA
May 2 36° 63° 17° (1954) 86° (1985) 0.05" NA
May 3 36° 63° 22° (2001) 86° (1966) 0.04" NA
May 4 36° 63° 23° (1959) 86° (1966) 0.04" NA
May 5 37° 64° 21° (1982) 87° (1966) 0.05" NA
May 6 37° 64° 22° (1959) 82° (1953) 0.04" NA
May 7 37° 64° 22° (2010) 88° (1987) 0.05" NA
May 8 37° 65° 19° (1999) 88° (1987) 0.05" NA
May 9 38° 65° 24° (2002) 88° (1987) 0.04" NA
May 10 38° 65° 24° (1990) 88° (1987) 0.05" NA
May 11 38° 66° 23° (1973) 85° (1993) 0.05" NA
May 12 38° 66° 19° (1985) 88° (1993) 0.06" NA
May 13 39° 66° 20° (1953) 88° (1993) 0.05" NA
May 14 39° 67° 26° (1983) 88° (1993) 0.05" NA
May 15 39° 67° 26° (1986) 86° (1973) 0.06" NA
May 16 40° 67° 24° (1986) 87° (1988) 0.05" NA
May 17 40° 68° 27° (2001) 88° (2006) 0.06" NA
May 18 40° 68° 24° (1965) 87° (2006) 0.07" NA
May 19 40° 68° 23° (2003) 88° (2006) 0.06" NA
May 20 41° 68° 29° (1950) 88° (2002) 0.07" NA
May 21 41° 69° 26° (1953) 85° (1958) 0.07" NA
May 22 41° 69° 23° (1960) 90° (1988) 0.07" NA
May 23 41° 69° 24° (1986) 90° (1988) 0.07" NA
May 24 41° 69° 27° (1950) 90° (2001) 0.07" NA
May 25 42° 69° 25° (1950) 92° (2001) 0.07" NA
May 26 42° 70° 26° (1975) 93° (1986) 0.07" NA
May 27 42° 70° 30° (1973) 90° (1966) 0.08" NA
May 28 42° 70° 25° (1955) 91° (1986) 0.07" NA
May 29 42° 70° 26° (1951) 95° (2003) 0.07" NA
May 30 43° 71° 28° (1979) 91° (1986) 0.08" NA
May 31 43° 71° 28° (1950) 95° (1986) 0.07" NA
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