Grass Range, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 35° -40° (1969) 74° (1981) 0.79" NA
February 16° 40° -34° (1996) 73° (1992) 0.31" NA
March 22° 47° -32° (1960) 80° (1978) 0.99" NA
April 31° 57° -5° (1986) 94° (1987) 1.44" NA
May 39° 66° 6° (1954) 97° (1980) 3.08" NA
June 47° 75° 27° (1969) 103° (1988) 2.81" NA
July 51° 81° 31° (1994) 104° (1985) 2.06" NA
August 50° 82° 29° (1992) 105° (1961) 1.59" NA
September 41° 71° 15° (1985) 100° (1950) 1.27" NA
October 32° 60° -9° (1991) 90° (1987) 0.92" NA
November 21° 44° -26° (1955) 85° (1975) 0.61" NA
December 13° 37° -39° (1983) 70° (1988) 0.64" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 13° 37° -24° (1989) 68° (1992) 0.01" NA
Feb 2 13° 37° -34° (1996) 70° (1991) 0.01" NA
Feb 3 13° 37° -27° (1989) 69° (1962) 0.01" NA
Feb 4 13° 37° -27° (1989) 64° (1991) 0.01" NA
Feb 5 13° 38° -18° (1982) 65° (1984) 0.01" NA
Feb 6 14° 38° -17° (1975) 71° (1963) 0.01" NA
Feb 7 14° 38° -20° (1971) 72° (1954) 0.01" NA
Feb 8 14° 38° -33° (1994) 66° (1954) 0.01" NA
Feb 9 14° 39° -23° (1994) 66° (1987) 0.01" NA
Feb 10 15° 39° -18° (1959) 69° (1951) 0.01" NA
Feb 11 15° 39° -10° (1986) 66° (2005) 0.01" NA
Feb 12 15° 39° -15° (1958) 64° (1983) 0.01" NA
Feb 13 15° 40° -25° (1949) 64° (1996) 0.01" NA
Feb 14 15° 40° -21° (2007) 63° (1951) 0.01" NA
Feb 15 16° 40° -16° (1956) 64° (1951) 0.01" NA
Feb 16 16° 40° -31° (1956) 64° (1981) 0.01" NA
Feb 17 16° 41° -26° (2006) 59° (1983) 0.01" NA
Feb 18 16° 41° -22° (2006) 60° (1981) 0.01" NA
Feb 19 17° 41° -19° (1959) 67° (1995) 0.01" NA
Feb 20 17° 41° -16° (1959) 70° (1977) 0.01" NA
Feb 21 17° 41° -11° (1962) 67° (1982) 0.01" NA
Feb 22 17° 42° -16° (1957) 68° (1958) 0.01" NA
Feb 23 18° 42° -22° (1965) 66° (1981) 0.01" NA
Feb 24 18° 42° -19° (2003) 70° (1995) 0.01" NA
Feb 25 18° 42° -14° (1962) 72° (1983) 0.01" NA
Feb 26 18° 42° -17° (1962) 69° (1950) 0.02" NA
Feb 27 18° 43° -22° (1960) 73° (1992) 0.02" NA
Feb 28 19° 43° -23° (1962) 72° (1986) 0.02" NA
Feb 29 19° 43° -17° (1996) 70° (1992) 0.02" NA
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