Olney, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 28° -35° (1996) 49° (1989) 2.01" 27.1"
February 12° 35° -40° (1989) 62° (1995) 1.64" 18.5"
March 20° 44° -24° (1976) 70° (2004) 1.16" 8.9"
April 26° 54° -1° (1975) 86° (1987) 1.37" 3"
May 34° 64° 16° (1973) 93° (1986) 2.17" 0.2"
June 41° 71° 24° (1973) 96° (1974) 3.13" 0"
July 44° 80° 28° (1999) 101° (1985) 1.65" 0"
August 41° 80° 26° (1969) 100° (1967) 1.31" 0"
September 34° 69° 12° (2000) 98° (1967) 1.51" 0.1"
October 25° 53° -10° (2002) 80° (1980) 1.47" 0.8"
November 19° 36° -25° (1993) 65° (1999) 2.42" 16.5"
December 12° 27° -44° (1990) 52° (1980) 2.03" 26.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 15° 29° -26° (1985) 43° (2008) 0.07" 0.7"
Dec 2 14° 29° -20° (1985) 43° (2008) 0.07" 0.8"
Dec 3 14° 29° -12° (1972) 45° (1975) 0.07" 0.8"
Dec 4 14° 28° -26° (1972) 47° (1965) 0.07" 0.8"
Dec 5 13° 28° -18° (1972) 43° (2007) 0.07" 0.8"
Dec 6 13° 28° -25° (1972) 42° (1974) 0.07" 0.8"
Dec 7 13° 28° -19° (2005) 40° (1970) 0.06" 0.9"
Dec 8 12° 27° -32° (1972) 44° (1965) 0.07" 0.8"
Dec 9 12° 27° -26° (1972) 40° (1965) 0.06" 0.8"
Dec 10 12° 27° -23° (1972) 43° (1993) 0.06" 0.8"
Dec 11 12° 27° -15° (1963) 45° (2004) 0.06" 0.8"
Dec 12 12° 27° -3° (2000) 44° (2004) 0.06" 0.8"
Dec 13 11° 26° -10° (1978) 44° (1995) 0.06" 0.8"
Dec 14 11° 26° -22° (2008) 41° (1966) 0.06" 0.8"
Dec 15 11° 26° -22° (2008) 37° (1969) 0.07" 0.8"
Dec 16 11° 26° -32° (1964) 42° (1982) 0.06" 0.9"
Dec 17 11° 26° -40° (1964) 42° (2002) 0.06" 0.8"
Dec 18 11° 26° -17° (1983) 41° (1997) 0.06" 0.8"
Dec 19 11° 26° -20° (1983) 39° (1972) 0.06" 0.9"
Dec 20 11° 26° -21° (1998) 45° (1966) 0.06" 0.8"
Dec 21 10° 26° -39° (1990) 45° (1994) 0.06" 0.9"
Dec 22 10° 26° -36° (1990) 41° (1980) 0.07" 0.9"
Dec 23 10° 26° -32° (1983) 38° (1967) 0.06" 0.9"
Dec 24 10° 26° -40° (1983) 43° (2005) 0.07" 0.9"
Dec 25 10° 26° -28° (1983) 42° (1980) 0.07" 1"
Dec 26 10° 26° -17° (1996) 43° (1972) 0.07" 0.9"
Dec 27 10° 26° -15° (1971) 52° (1980) 0.07" 0.9"
Dec 28 11° 26° -26° (1983) 43° (1980) 0.07" 1"
Dec 29 11° 26° -44° (1990) 40° (1965) 0.07" 1"
Dec 30 11° 26° -38° (1968) 52° (1965) 0.07" 0.9"
Dec 31 11° 26° -38° (1968) 40° (1980) 0.07" 1"
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