Westby, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -4° 17° -45° (1969) 55° (2002) 0.39" NA
February 25° -42° (1962) 66° (1992) 0.26" NA
March 15° 37° -31° (2002) 77° (1978) 0.56" NA
April 28° 53° -18° (1975) 91° (1980) 0.9" NA
May 41° 66° 13° (2005) 102° (1980) 1.76" NA
June 51° 74° 28° (1951) 103° (1988) 3" NA
July 55° 79° 36° (1987) 107° (1975) 2.48" NA
August 52° 79° 29° (1958) 108° (1983) 1.55" NA
September 40° 67° 15° (1961) 103° (1983) 1.41" NA
October 29° 55° -5° (1991) 92° (1992) 0.71" NA
November 14° 34° -26° (1996) 73° (1999) 0.4" NA
December 22° -42° (1983) 55° (1979) 0.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 -2° 20° -37° (1996) 47° (1992) 0.01" NA
Feb 2 -1° 20° -38° (1996) 52° (1992) 0.01" NA
Feb 3 -1° 21° -38° (1996) 49° (1992) 0.01" NA
Feb 4 21° -38° (1996) 49° (1991) 0.01" NA
Feb 5 21° -35° (1982) 51° (1963) 0.01" NA
Feb 6 22° -29° (1982) 47° (1963) 0.01" NA
Feb 7 22° -28° (1951) 49° (1963) 0.01" NA
Feb 8 23° -38° (1994) 52° (1991) 0.01" NA
Feb 9 23° -37° (1994) 46° (2000) 0.01" NA
Feb 10 23° -29° (1994) 53° (1961) 0.01" NA
Feb 11 24° -25° (2000) 46° (1974) 0" NA
Feb 12 24° -27° (1951) 47° (1990) 0" NA
Feb 13 24° -27° (1949) 45° (1983) 0.01" NA
Feb 14 25° -27° (1989) 46° (1981) 0.01" NA
Feb 15 25° -30° (1967) 47° (1981) 0.01" NA
Feb 16 25° -32° (1966) 51° (1981) 0.01" NA
Feb 17 26° -28° (2006) 53° (1981) 0.01" NA
Feb 18 26° -25° (2006) 51° (2002) 0.01" NA
Feb 19 27° -24° (1959) 50° (1981) 0.01" NA
Feb 20 27° -25° (1949) 48° (1984) 0.01" NA
Feb 21 27° -23° (1953) 53° (1977) 0.01" NA
Feb 22 28° -20° (1957) 57° (1973) 0.01" NA
Feb 23 28° -24° (1965) 59° (2002) 0.01" NA
Feb 24 28° -31° (2003) 48° (1998) 0.01" NA
Feb 25 29° -28° (2003) 56° (1988) 0.01" NA
Feb 26 29° -30° (1994) 56° (1988) 0.01" NA
Feb 27 29° -36° (1962) 64° (1988) 0.01" NA
Feb 28 30° -42° (1962) 66° (1992) 0.01" NA
Feb 29 30° -23° (1980) 56° (1992) 0.01" NA
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