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
Apr 1 24° 52° 1° (1975) 72° (1991) 0.02" NA
Apr 2 24° 52° -5° (1954) 78° (1992) 0.02" NA
Apr 3 25° 53° -5° (1954) 74° (1992) 0.02" NA
Apr 4 25° 53° 8° (1965) 76° (1960) 0.02" NA
Apr 5 25° 54° 8° (1979) 75° (1969) 0.02" NA
Apr 6 26° 54° -19° (1975) 75° (1971) 0.02" NA
Apr 7 26° 55° 11° (1964) 82° (1977) 0.02" NA
Apr 8 26° 55° 3° (1982) 80° (1977) 0.02" NA
Apr 9 26° 56° 11° (1997) 79° (1977) 0.02" NA
Apr 10 27° 56° 0° (1990) 78° (1949) 0.02" NA
Apr 11 27° 56° 8° (1997) 75° (1985) 0.02" NA
Apr 12 27° 57° 5° (1975) 77° (1976) 0.02" NA
Apr 13 28° 57° 12° (1975) 76° (1980) 0.02" NA
Apr 14 28° 58° 4° (1986) 81° (1963) 0.02" NA
Apr 15 28° 58° 3° (1973) 80° (1962) 0.02" NA
Apr 16 29° 58° 9° (1964) 83° (1984) 0.02" NA
Apr 17 29° 59° 7° (1968) 80° (1984) 0.02" NA
Apr 18 29° 59° 9° (1966) 81° (1952) 0.02" NA
Apr 19 30° 60° 7° (1951) 85° (1962) 0.02" NA
Apr 20 30° 60° 8° (1968) 88° (1980) 0.02" NA
Apr 21 31° 60° 9° (1951) 81° (1980) 0.03" NA
Apr 22 31° 61° -5° (1967) 83° (1977) 0.03" NA
Apr 23 31° 61° 4° (1967) 85° (1977) 0.03" NA
Apr 24 32° 61° 7° (1967) 84° (1962) 0.03" NA
Apr 25 32° 62° 13° (1967) 86° (1952) 0.03" NA
Apr 26 32° 62° 10° (1988) 83° (1952) 0.03" NA
Apr 27 33° 62° 14° (1961) 86° (1987) 0.03" NA
Apr 28 33° 63° 13° (2005) 86° (1987) 0.03" NA
Apr 29 33° 63° 10° (1966) 85° (1987) 0.03" NA
Apr 30 34° 63° 16° (1984) 85° (1968) 0.04" NA
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