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
Dec 1 15° 29° -26° (1985) 42° (1972) 0.08" NA
Dec 2 15° 29° -20° (1985) 40° (1997) 0.08" NA
Dec 3 15° 29° -12° (1972) 45° (1975) 0.08" NA
Dec 4 15° 28° -26° (1972) 47° (1965) 0.08" NA
Dec 5 14° 28° -18° (1972) 43° (2007) 0.08" NA
Dec 6 14° 28° -25° (1972) 42° (1974) 0.08" NA
Dec 7 14° 28° -18° (1971) 40° (1970) 0.08" NA
Dec 8 14° 28° -32° (1972) 44° (1965) 0.08" NA
Dec 9 14° 28° -26° (1972) 40° (1965) 0.07" NA
Dec 10 13° 27° -23° (1972) 43° (1993) 0.07" NA
Dec 11 13° 27° -15° (1963) 45° (2004) 0.07" NA
Dec 12 13° 27° -3° (2000) 44° (2004) 0.07" NA
Dec 13 13° 27° -10° (1978) 44° (1995) 0.07" NA
Dec 14 12° 27° -14° (1967) 41° (1966) 0.07" NA
Dec 15 12° 27° -21° (1964) 37° (1969) 0.07" NA
Dec 16 12° 27° -32° (1964) 42° (1982) 0.07" NA
Dec 17 12° 27° -40° (1964) 42° (2002) 0.07" NA
Dec 18 12° 26° -17° (1983) 41° (1997) 0.07" NA
Dec 19 12° 26° -20° (1983) 39° (1972) 0.07" NA
Dec 20 11° 26° -21° (1998) 45° (1966) 0.07" NA
Dec 21 11° 26° -39° (1990) 45° (1994) 0.07" NA
Dec 22 11° 26° -36° (1990) 41° (1980) 0.07" NA
Dec 23 11° 26° -32° (1983) 38° (1967) 0.07" NA
Dec 24 11° 26° -40° (1983) 40° (1967) 0.07" NA
Dec 25 11° 26° -28° (1983) 42° (1980) 0.07" NA
Dec 26 11° 26° -17° (1996) 43° (1972) 0.07" NA
Dec 27 10° 26° -15° (1971) 52° (1980) 0.07" NA
Dec 28 10° 25° -26° (1983) 43° (1980) 0.07" NA
Dec 29 10° 25° -44° (1990) 40° (1965) 0.07" NA
Dec 30 10° 25° -38° (1968) 52° (1965) 0.07" NA
Dec 31 10° 25° -38° (1968) 40° (1980) 0.07" NA
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