Olney, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -35° (1996) 49° (1989) 2.39" NA
February 12° 34° -40° (1989) 62° (1995) 2.01" NA
March 20° 44° -24° (1976) 70° (2004) 1.34" NA
April 27° 55° -1° (1975) 86° (1987) 1.37" NA
May 34° 64° 16° (1973) 93° (1986) 2.31" NA
June 41° 72° 24° (1973) 96° (1974) 2.68" NA
July 43° 79° 28° (1999) 101° (1985) 1.79" NA
August 42° 79° 26° (1969) 100° (1967) 1.49" NA
September 34° 68° 12° (2000) 98° (1967) 1.23" NA
October 25° 53° -10° (2002) 80° (1980) 1.42" NA
November 19° 35° -25° (1993) 65° (1999) 2.39" NA
December 12° 27° -44° (1990) 52° (1980) 2.25" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 31° 60° 16° (1973) 80° (1985) 0.06" NA
May 2 31° 60° 19° (1991) 82° (1985) 0.06" NA
May 3 31° 61° 19° (1967) 83° (1966) 0.06" NA
May 4 31° 61° 19° (1963) 84° (1966) 0.06" NA
May 5 32° 61° 22° (1967) 86° (1966) 0.06" NA
May 6 32° 62° 20° (2001) 85° (1992) 0.06" NA
May 7 32° 62° 21° (2000) 84° (1992) 0.07" NA
May 8 32° 62° 21° (1999) 83° (1987) 0.07" NA
May 9 33° 62° 18° (2006) 87° (1994) 0.07" NA
May 10 33° 63° 20° (2002) 82° (1969) 0.07" NA
May 11 33° 63° 19° (1968) 87° (1993) 0.07" NA
May 12 33° 63° 20° (1985) 90° (1993) 0.07" NA
May 13 34° 64° 20° (1983) 90° (1993) 0.07" NA
May 14 34° 64° 23° (1964) 85° (1993) 0.07" NA
May 15 34° 64° 23° (2002) 86° (1973) 0.07" NA
May 16 35° 64° 20° (1992) 84° (1973) 0.07" NA
May 17 35° 65° 20° (2003) 85° (2006) 0.08" NA
May 18 35° 65° 20° (1966) 86° (1985) 0.08" NA
May 19 35° 65° 22° (1966) 86° (2006) 0.08" NA
May 20 35° 66° 25° (1968) 87° (1993) 0.08" NA
May 21 36° 66° 23° (1975) 84° (1980) 0.08" NA
May 22 36° 66° 23° (1995) 86° (1985) 0.08" NA
May 23 36° 66° 24° (1966) 89° (1985) 0.08" NA
May 24 36° 66° 25° (2005) 88° (1985) 0.08" NA
May 25 37° 67° 21° (1967) 86° (2001) 0.08" NA
May 26 37° 67° 22° (1967) 90° (1986) 0.08" NA
May 27 37° 67° 22° (1967) 90° (1986) 0.09" NA
May 28 37° 67° 28° (1975) 90° (1983) 0.09" NA
May 29 37° 68° 27° (1976) 91° (1986) 0.09" NA
May 30 38° 68° 24° (2001) 93° (1986) 0.09" NA
May 31 38° 68° 27° (1968) 93° (1986) 0.09" NA
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