Chinook, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -50° (1954) 67° (1984) 0.54" NA
February 34° -44° (1994) 75° (1995) 0.32" NA
March 17° 45° -36° (1960) 82° (2004) 0.56" NA
April 30° 59° -10° (1986) 92° (1980) 0.99" NA
May 41° 69° 11° (1954) 96° (1980) 2.29" NA
June 50° 78° 28° (1979) 104° (1988) 2.29" NA
July 53° 84° 36° (1987) 105° (1960) 1.66" NA
August 51° 84° 29° (1988) 109° (1961) 1.34" NA
September 39° 72° 13° (1995) 104° (1998) 1.43" NA
October 27° 59° -24° (1991) 90° (1992) 0.66" NA
November 13° 40° -38° (1985) 79° (1999) 0.47" NA
December 30° -50° (1989) 66° (1998) 0.51" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 11° 39° -21° (1960) 59° (1968) 0.01" NA
Mar 2 11° 39° -25° (2002) 62° (1994) 0.01" NA
Mar 3 12° 39° -36° (1960) 66° (1968) 0.01" NA
Mar 4 12° 40° -24° (1970) 74° (1987) 0.01" NA
Mar 5 12° 40° -25° (1960) 76° (1987) 0.01" NA
Mar 6 13° 41° -33° (1996) 70° (1987) 0.01" NA
Mar 7 13° 41° -22° (1951) 63° (1977) 0.02" NA
Mar 8 13° 41° -32° (1951) 64° (1988) 0.02" NA
Mar 9 14° 42° -26° (2002) 68° (1995) 0.02" NA
Mar 10 14° 42° -26° (1951) 75° (1983) 0.02" NA
Mar 11 15° 43° -26° (1951) 66° (1992) 0.02" NA
Mar 12 15° 43° -18° (1950) 68° (1992) 0.02" NA
Mar 13 15° 44° -18° (1962) 70° (2007) 0.02" NA
Mar 14 16° 44° -17° (1997) 70° (1995) 0.02" NA
Mar 15 16° 44° -12° (1997) 71° (1999) 0.02" NA
Mar 16 17° 45° -9° (1967) 69° (1968) 0.02" NA
Mar 17 17° 45° -17° (1965) 67° (1981) 0.02" NA
Mar 18 17° 46° -21° (1965) 69° (1994) 0.02" NA
Mar 19 18° 46° -12° (1965) 70° (1988) 0.02" NA
Mar 20 18° 47° -22° (1965) 69° (2001) 0.02" NA
Mar 21 19° 47° -21° (2002) 72° (1986) 0.02" NA
Mar 22 19° 48° -23° (2002) 72° (1993) 0.02" NA
Mar 23 19° 48° -14° (1965) 78° (1993) 0.02" NA
Mar 24 20° 49° -19° (1964) 68° (1993) 0.02" NA
Mar 25 20° 49° -14° (1965) 76° (2007) 0.02" NA
Mar 26 21° 50° -6° (1965) 78° (1999) 0.02" NA
Mar 27 21° 50° -8° (1975) 72° (1966) 0.02" NA
Mar 28 22° 51° -8° (1954) 76° (1986) 0.02" NA
Mar 29 22° 51° -14° (1965) 75° (1966) 0.02" NA
Mar 30 23° 52° -5° (1954) 75° (1966) 0.02" NA
Mar 31 23° 52° 2° (1954) 82° (2004) 0.02" NA
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