Basin, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 34° -38° (1957) 58° (2005) 0.4" NA
February 14° 40° -39° (1989) 65° (1995) 0.3" NA
March 20° 47° -28° (1955) 72° (1986) 0.52" NA
April 26° 56° -6° (1997) 83° (1987) 0.76" NA
May 34° 65° 9° (1967) 89° (1986) 1.99" NA
June 42° 74° 22° (1954) 96° (1988) 1.94" NA
July 47° 82° 30° (1949) 101° (2002) 1.51" NA
August 46° 82° 19° (1992) 100° (1961) 1.43" NA
September 36° 71° 8° (1965) 94° (1950) 1.06" NA
October 27° 60° -14° (1991) 87° (1992) 0.61" NA
November 18° 42° -34° (1959) 71° (1999) 0.56" NA
December 11° 35° -42° (1990) 62° (1980) 0.43" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 13° 36° -19° (1985) 53° (1999) 0.02" NA
Dec 2 13° 36° -23° (1985) 54° (1956) 0.02" NA
Dec 3 13° 36° -15° (1972) 57° (1956) 0.02" NA
Dec 4 13° 36° -20° (1972) 60° (1979) 0.02" NA
Dec 5 12° 36° -28° (1972) 53° (1965) 0.02" NA
Dec 6 12° 36° -29° (1972) 56° (1987) 0.02" NA
Dec 7 12° 36° -26° (1956) 55° (1987) 0.02" NA
Dec 8 12° 35° -34° (1972) 55° (1975) 0.02" NA
Dec 9 12° 35° -34° (1972) 60° (1957) 0.02" NA
Dec 10 11° 35° -35° (1972) 57° (2004) 0.02" NA
Dec 11 11° 35° -27° (1961) 57° (2004) 0.02" NA
Dec 12 11° 35° -19° (2000) 53° (1988) 0.02" NA
Dec 13 11° 35° -10° (1963) 50° (1957) 0.01" NA
Dec 14 11° 35° -20° (1967) 51° (1962) 0.01" NA
Dec 15 11° 35° -24° (1967) 60° (1980) 0.01" NA
Dec 16 10° 34° -30° (1964) 62° (1980) 0.01" NA
Dec 17 10° 34° -37° (1964) 59° (1980) 0.01" NA
Dec 18 10° 34° -29° (1983) 54° (1979) 0.01" NA
Dec 19 10° 34° -27° (1990) 54° (2004) 0.01" NA
Dec 20 10° 34° -30° (1990) 53° (2004) 0.01" NA
Dec 21 10° 34° -31° (1983) 50° (1972) 0.01" NA
Dec 22 10° 34° -42° (1990) 51° (1954) 0.01" NA
Dec 23 10° 34° -39° (1983) 53° (1955) 0.01" NA
Dec 24 10° 34° -40° (1983) 49° (1954) 0.01" NA
Dec 25 10° 34° -26° (1983) 49° (1950) 0.01" NA
Dec 26 34° -22° (1951) 58° (1980) 0.01" NA
Dec 27 34° -19° (1988) 60° (1980) 0.01" NA
Dec 28 34° -30° (1983) 53° (1956) 0.01" NA
Dec 29 33° -35° (1990) 51° (1956) 0.01" NA
Dec 30 33° -35° (1978) 50° (1962) 0.01" NA
Dec 31 33° -30° (1978) 53° (1963) 0.01" NA
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