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
Mar 1 14° 40° -18° (1962) 62° (1968) 0.01" NA
Mar 2 14° 40° -26° (1960) 62° (1992) 0.01" NA
Mar 3 14° 40° -35° (1960) 65° (1968) 0.01" NA
Mar 4 15° 41° -25° (1976) 70° (1987) 0.01" NA
Mar 5 15° 41° -26° (1980) 73° (1987) 0.01" NA
Mar 6 15° 41° -28° (1951) 72° (1950) 0.01" NA
Mar 7 16° 42° -24° (1995) 64° (1987) 0.01" NA
Mar 8 16° 42° -38° (1951) 64° (2004) 0.01" NA
Mar 9 16° 42° -24° (2002) 63° (1983) 0.01" NA
Mar 10 17° 43° -37° (1951) 71° (1983) 0.01" NA
Mar 11 17° 43° -30° (1951) 66° (1992) 0.01" NA
Mar 12 18° 43° -18° (1951) 69° (1992) 0.02" NA
Mar 13 18° 44° -18° (1969) 66° (2007) 0.02" NA
Mar 14 18° 44° -18° (1967) 68° (1999) 0.02" NA
Mar 15 19° 44° -15° (1997) 70° (1992) 0.02" NA
Mar 16 19° 45° -8° (1958) 65° (1979) 0.02" NA
Mar 17 19° 45° -17° (1965) 77° (1972) 0.02" NA
Mar 18 20° 46° -22° (1965) 71° (2007) 0.02" NA
Mar 19 20° 46° -8° (1965) 65° (1960) 0.02" NA
Mar 20 20° 46° -14° (1965) 68° (1960) 0.02" NA
Mar 21 21° 47° -30° (2002) 68° (1973) 0.02" NA
Mar 22 21° 47° -14° (1952) 72° (1963) 0.02" NA
Mar 23 21° 48° -14° (1965) 72° (1993) 0.02" NA
Mar 24 21° 48° -22° (1965) 69° (1999) 0.02" NA
Mar 25 22° 49° -15° (1964) 73° (1999) 0.02" NA
Mar 26 22° 49° -12° (1955) 71° (1999) 0.02" NA
Mar 27 22° 50° -3° (1965) 73° (1986) 0.02" NA
Mar 28 23° 50° -15° (1954) 71° (1966) 0.02" NA
Mar 29 23° 50° -6° (1954) 74° (1966) 0.02" NA
Mar 30 23° 51° -8° (1954) 79° (2004) 0.02" NA
Mar 31 24° 51° -10° (1954) 73° (2004) 0.02" NA
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