Chester, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -57° (1950) 66° (1992) 0.38" NA
February 35° -44° (1994) 74° (1992) 0.26" NA
March 19° 45° -38° (1951) 79° (2004) 0.51" NA
April 29° 58° -19° (1975) 88° (1980) 0.71" NA
May 39° 68° 14° (1954) 94° (2001) 1.77" NA
June 47° 75° 24° (1969) 100° (2002) 2.2" NA
July 50° 83° 31° (1958) 104° (2007) 1.47" NA
August 49° 82° 28° (1992) 105° (1961) 1.21" NA
September 39° 71° 13° (1972) 97° (1963) 0.84" NA
October 28° 59° -17° (1991) 89° (1992) 0.48" NA
November 16° 41° -31° (1959) 75° (1999) 0.36" NA
December 30° -52° (1983) 64° (1987) 0.39" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 49° 80° 34° (1968) 98° (1990) 0.06" NA
Jul 2 49° 80° 34° (1972) 95° (1986) 0.06" NA
Jul 3 49° 80° 34° (1972) 95° (1986) 0.06" NA
Jul 4 50° 80° 32° (1971) 99° (2001) 0.06" NA
Jul 5 50° 81° 32° (1959) 99° (1981) 0.06" NA
Jul 6 50° 81° 37° (1949) 97° (1975) 0.06" NA
Jul 7 50° 81° 33° (1952) 104° (2007) 0.05" NA
Jul 8 50° 81° 36° (1949) 95° (1985) 0.05" NA
Jul 9 50° 82° 35° (1949) 97° (1950) 0.05" NA
Jul 10 50° 82° 41° (1984) 98° (1957) 0.05" NA
Jul 11 50° 82° 36° (1993) 100° (2002) 0.05" NA
Jul 12 50° 82° 36° (1987) 99° (2002) 0.05" NA
Jul 13 50° 83° 36° (1971) 103° (1953) 0.05" NA
Jul 14 51° 83° 33° (1949) 102° (1953) 0.05" NA
Jul 15 51° 83° 31° (1958) 99° (2007) 0.05" NA
Jul 16 51° 83° 37° (1958) 101° (2007) 0.05" NA
Jul 17 51° 83° 34° (1993) 98° (1955) 0.05" NA
Jul 18 51° 83° 37° (1957) 100° (1960) 0.04" NA
Jul 19 51° 83° 37° (1962) 103° (1960) 0.04" NA
Jul 20 51° 84° 35° (1980) 101° (2007) 0.04" NA
Jul 21 51° 84° 35° (1949) 97° (1960) 0.04" NA
Jul 22 51° 84° 38° (1972) 102° (1960) 0.04" NA
Jul 23 51° 84° 38° (1954) 98° (2003) 0.04" NA
Jul 24 51° 84° 33° (1949) 102° (2007) 0.04" NA
Jul 25 51° 84° 40° (1971) 95° (1957) 0.04" NA
Jul 26 51° 84° 37° (1999) 97° (1957) 0.04" NA
Jul 27 51° 84° 40° (1995) 102° (1951) 0.04" NA
Jul 28 51° 84° 39° (1976) 101° (1951) 0.04" NA
Jul 29 51° 84° 33° (1949) 100° (2007) 0.04" NA
Jul 30 51° 84° 38° (1971) 98° (2000) 0.04" NA
Jul 31 51° 84° 35° (1968) 98° (1952) 0.04" NA
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