Rocky Boy, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 32° -51° (1969) 76° (1946) 0.48" NA
February 14° 36° -52° (1936) 76° (1992) 0.3" NA
March 23° 47° -44° (1951) 81° (2004) 0.62" NA
April 33° 59° -15° (1936) 101° (1941) 1.12" NA
May 42° 68° 9° (1954) 106° (1941) 2.37" NA
June 49° 76° 20° (1923) 106° (1936) 2.7" NA
July 55° 85° 34° (1944) 109° (1936) 1.52" NA
August 53° 85° 25° (1992) 111° (1961) 1.14" NA
September 44° 73° 12° (1926) 106° (1941) 1.35" NA
October 33° 59° -19° (1991) 92° (1942) 0.81" NA
November 21° 43° -33° (1985) 78° (1999) 0.51" NA
December 11° 33° -50° (1983) 75° (1930) 0.5" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 12° 33° -32° (1996) 68° (1992) 0.01" NA
Feb 2 12° 33° -45° (1996) 69° (1992) 0.01" NA
Feb 3 12° 34° -40° (1996) 65° (1962) 0.01" NA
Feb 4 12° 34° -29° (1936) 60° (1992) 0.01" NA
Feb 5 13° 34° -29° (1982) 61° (1992) 0.01" NA
Feb 6 13° 34° -30° (1929) 68° (1987) 0.01" NA
Feb 7 13° 34° -34° (1929) 67° (1987) 0.01" NA
Feb 8 13° 34° -35° (1994) 63° (1954) 0.02" NA
Feb 9 13° 35° -42° (1939) 61° (1954) 0.01" NA
Feb 10 13° 35° -40° (1939) 63° (1987) 0.01" NA
Feb 11 13° 35° -20° (1936) 63° (2005) 0.01" NA
Feb 12 14° 35° -27° (1951) 65° (2005) 0.01" NA
Feb 13 14° 35° -38° (1922) 63° (1934) 0.01" NA
Feb 14 14° 36° -44° (1936) 56° (1934) 0.01" NA
Feb 15 14° 36° -52° (1936) 55° (1934) 0.01" NA
Feb 16 14° 36° -46° (1936) 59° (1981) 0.01" NA
Feb 17 14° 36° -50° (1936) 60° (1997) 0.01" NA
Feb 18 15° 37° -42° (1929) 58° (1930) 0.01" NA
Feb 19 15° 37° -29° (1929) 69° (1995) 0.01" NA
Feb 20 15° 37° -27° (1952) 66° (1981) 0.01" NA
Feb 21 15° 38° -23° (1957) 68° (1995) 0.01" NA
Feb 22 16° 38° -18° (1952) 63° (2002) 0.01" NA
Feb 23 16° 38° -25° (1965) 64° (1976) 0.01" NA
Feb 24 16° 39° -39° (1922) 74° (1995) 0.01" NA
Feb 25 16° 39° -32° (1922) 68° (1995) 0.01" NA
Feb 26 17° 39° -26° (1922) 67° (1932) 0.01" NA
Feb 27 17° 40° -38° (1922) 76° (1992) 0.01" NA
Feb 28 17° 40° -34° (1922) 70° (1932) 0.01" NA
Feb 29 18° 40° -11° (1996) 72° (1992) 0.01" NA
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