Dillon, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 35° -36° (1937) 60° (1953) 0.29" NA
February 17° 40° -40° (1933) 65° (1996) 0.31" NA
March 23° 48° -26° (1896) 74° (1969) 0.66" NA
April 30° 56° -3° (1982) 84° (1946) 1.39" NA
May 37° 66° 15° (1967) 91° (1954) 2.19" NA
June 43° 74° 23° (2001) 94° (2002) 1.93" NA
July 48° 84° 30° (1955) 102° (2002) 1.12" NA
August 46° 82° 25° (1910) 100° (1940) 1.16" NA
September 39° 72° 9° (1926) 94° (1998) 0.91" NA
October 31° 59° -13° (1935) 86° (1992) 0.91" NA
November 22° 43° -31° (1955) 79° (1908) 0.45" NA
December 14° 33° -37° (1990) 65° (1939) 0.36" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 16° 35° -15° (1985) 59° (1969) 0.01" NA
Dec 2 16° 35° -13° (1919) 56° (1969) 0.02" NA
Dec 3 15° 34° -9° (1978) 61° (1969) 0.01" NA
Dec 4 15° 34° -15° (1909) 58° (1939) 0.01" NA
Dec 5 15° 34° -27° (1972) 64° (1939) 0.02" NA
Dec 6 14° 33° -24° (1972) 58° (1900) 0.01" NA
Dec 7 14° 33° -26° (1972) 57° (1939) 0.01" NA
Dec 8 14° 33° -27° (1919) 58° (1990) 0.02" NA
Dec 9 14° 33° -32° (1972) 65° (1939) 0.01" NA
Dec 10 13° 33° -25° (1932) 62° (1939) 0.01" NA
Dec 11 13° 32° -33° (1932) 56° (1937) 0.01" NA
Dec 12 13° 32° -21° (1922) 58° (1924) 0.02" NA
Dec 13 13° 32° -21° (1963) 60° (1924) 0.01" NA
Dec 14 13° 32° -22° (1922) 58° (1924) 0.01" NA
Dec 15 13° 32° -25° (2008) 58° (1980) 0.01" NA
Dec 16 13° 32° -23° (2008) 58° (1939) 0.01" NA
Dec 17 13° 32° -27° (1964) 58° (1980) 0.02" NA
Dec 18 13° 32° -33° (1924) 57° (1979) 0.01" NA
Dec 19 13° 32° -20° (1990) 56° (1917) 0.01" NA
Dec 20 13° 32° -23° (1990) 52° (1906) 0.01" NA
Dec 21 13° 32° -34° (1990) 55° (1969) 0.01" NA
Dec 22 13° 32° -37° (1990) 58° (1933) 0.01" NA
Dec 23 13° 32° -33° (1983) 52° (1906) 0.01" NA
Dec 24 13° 32° -35° (1983) 53° (1906) 0.01" NA
Dec 25 13° 32° -24° (1944) 51° (1980) 0.01" NA
Dec 26 13° 32° -21° (1916) 63° (1980) 0.01" NA
Dec 27 13° 33° -21° (1941) 61° (1980) 0.01" NA
Dec 28 13° 33° -21° (1946) 53° (1956) 0.01" NA
Dec 29 13° 33° -33° (1978) 53° (1980) 0.01" NA
Dec 30 13° 33° -32° (1978) 55° (1980) 0.01" NA
Dec 31 14° 33° -35° (1927) 54° (1980) 0.01" NA
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