Darby, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 36° -36° (1963) 61° (1994) 1.46" NA
February 22° 42° -28° (1989) 70° (1995) 1.08" NA
March 27° 51° -13° (1955) 78° (1978) 0.97" NA
April 33° 59° 8° (1977) 84° (1992) 1.16" NA
May 40° 67° 17° (1954) 95° (2003) 2.03" NA
June 46° 75° 25° (1952) 98° (2003) 1.99" NA
July 49° 84° 31° (1971) 105° (2002) 1.08" NA
August 48° 84° 6° (1948) 102° (2003) 1.23" NA
September 41° 73° 19° (1985) 98° (1967) 1.13" NA
October 33° 62° -5° (2002) 88° (1996) 1.07" NA
November 25° 45° -25° (1959) 74° (1988) 1.49" NA
December 19° 36° -34° (1983) 61° (1976) 1.51" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 63° 20° (1954) 81° (2000) 0.05" NA
May 2 36° 63° 17° (1954) 86° (1985) 0.05" NA
May 3 37° 64° 22° (2001) 86° (1966) 0.06" NA
May 4 37° 64° 23° (1959) 86° (1966) 0.06" NA
May 5 37° 64° 21° (1982) 87° (1966) 0.06" NA
May 6 38° 65° 22° (1959) 82° (1953) 0.06" NA
May 7 38° 65° 23° (2001) 88° (1987) 0.06" NA
May 8 38° 65° 19° (1999) 88° (1987) 0.06" NA
May 9 38° 66° 24° (2002) 88° (1987) 0.06" NA
May 10 39° 66° 24° (1990) 88° (1987) 0.06" NA
May 11 39° 66° 23° (1973) 85° (1993) 0.06" NA
May 12 39° 66° 19° (1985) 88° (1993) 0.06" NA
May 13 39° 67° 20° (1953) 88° (1993) 0.07" NA
May 14 39° 67° 26° (1983) 88° (1993) 0.07" NA
May 15 40° 67° 26° (1986) 86° (1973) 0.07" NA
May 16 40° 67° 24° (1986) 87° (1988) 0.07" NA
May 17 40° 68° 27° (2001) 88° (2006) 0.07" NA
May 18 40° 68° 24° (1965) 87° (2006) 0.07" NA
May 19 41° 68° 23° (2003) 88° (2006) 0.07" NA
May 20 41° 69° 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 42° 70° 27° (1950) 90° (2001) 0.07" NA
May 25 42° 70° 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) 0.07" NA
May 28 42° 71° 25° (1955) 91° (1986) 0.07" NA
May 29 43° 71° 26° (1951) 95° (2003) 0.07" NA
May 30 43° 71° 28° (1979) 91° (1986) 0.07" NA
May 31 43° 71° 28° (1950) 95° (1986) 0.07" NA
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