Harlem, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -50° (1969) 65° (2005) 0.41" NA
February 35° -48° (1994) 74° (1995) 0.32" NA
March 19° 47° -37° (1996) 82° (2004) 0.38" NA
April 29° 60° -10° (1967) 92° (2001) 0.73" NA
May 40° 70° 10° (1954) 98° (1980) 1.96" NA
June 48° 79° 26° (1951) 107° (1988) 2.2" NA
July 51° 85° 36° (1951) 106° (1960) 1.81" NA
August 50° 85° 30° (1950) 107° (1998) 1.02" NA
September 39° 73° 13° (1995) 102° (1983) 1.35" NA
October 29° 61° -20° (1991) 90° (1960) 0.55" NA
November 15° 41° -35° (1985) 80° (1999) 0.39" NA
December 30° -44° (1983) 69° (1951) 0.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 34° -27° (1985) 69° (1951) 0.02" NA
Dec 2 34° -35° (1985) 68° (1951) 0.02" NA
Dec 3 34° -23° (1972) 57° (1989) 0.02" NA
Dec 4 33° -31° (1972) 63° (1989) 0.02" NA
Dec 5 33° -27° (1972) 56° (1990) 0.02" NA
Dec 6 33° -33° (1972) 57° (1987) 0.02" NA
Dec 7 32° -32° (1956) 59° (1990) 0.02" NA
Dec 8 32° -38° (1972) 60° (1957) 0.01" NA
Dec 9 32° -35° (1972) 58° (1990) 0.01" NA
Dec 10 32° -30° (2000) 59° (1979) 0.01" NA
Dec 11 31° -28° (2000) 61° (2004) 0.01" NA
Dec 12 31° -32° (2000) 54° (1969) 0.01" NA
Dec 13 31° -27° (1985) 63° (1998) 0.01" NA
Dec 14 30° -28° (1963) 56° (2004) 0.01" NA
Dec 15 30° -27° (1964) 63° (1980) 0.01" NA
Dec 16 30° -30° (1964) 66° (1980) 0.01" NA
Dec 17 30° -33° (1964) 65° (1980) 0.01" NA
Dec 18 29° -36° (1983) 58° (1979) 0.01" NA
Dec 19 29° -28° (1980) 58° (1979) 0.01" NA
Dec 20 29° -29° (1990) 59° (1994) 0.01" NA
Dec 21 29° -32° (1989) 58° (1994) 0.01" NA
Dec 22 28° -39° (1989) 57° (1954) 0.01" NA
Dec 23 28° -32° (1983) 53° (1999) 0.01" NA
Dec 24 28° -44° (1983) 59° (1999) 0.01" NA
Dec 25 28° -34° (1983) 54° (1956) 0.01" NA
Dec 26 27° -34° (1996) 54° (1956) 0.01" NA
Dec 27 27° -23° (1988) 60° (1980) 0.01" NA
Dec 28 27° -32° (1968) 61° (1999) 0.01" NA
Dec 29 27° -39° (1968) 60° (1956) 0.02" NA
Dec 30 26° -32° (1978) 51° (1980) 0.02" NA
Dec 31 26° -33° (1984) 57° (1963) 0.02" NA
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