Custer, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 35° 44° -1° (1950) 61° (1981) 5.8" 2.8"
February 36° 48° -1° (1950) 68° (1986) 3.71" 1.3"
March 39° 52° 11° (1951) 72° (1960) 3.8" 0.6"
April 43° 57° 22° (1951) 80° (1976) 2.86" 0"
May 48° 64° 26° (1954) 85° (1959) 2.7" 0"
June 53° 69° 35° (1976) 92° (1955) 1.99" 0"
July 56° 72° 37° (1949) 91° (1951) 1.27" 0"
August 55° 72° 37° (1973) 92° (1960) 1.38" 0"
September 51° 67° 28° (1972) 86° (1949) 2.06" 0"
October 45° 57° 19° (1991) 78° (1984) 3.92" 0.1"
November 39° 49° 6° (1985) 65° (1975) 6.33" 0.6"
December 34° 43° -1° (1968) 62° (1980) 5.3" 3.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 41° 55° 25° (1975) 64° (1987) 0.11" 0"
Apr 2 42° 55° 28° (1976) 67° (1980) 0.11" 0"
Apr 3 42° 55° 28° (1967) 65° (1960) 0.11" 0"
Apr 4 42° 55° 26° (1997) 67° (1966) 0.1" 0"
Apr 5 42° 55° 27° (1997) 67° (1950) 0.11" 0"
Apr 6 42° 56° 27° (1975) 69° (1985) 0.1" 0"
Apr 7 42° 56° 28° (1952) 72° (1996) 0.1" 0"
Apr 8 42° 56° 27° (1952) 63° (1996) 0.09" 0"
Apr 9 42° 56° 28° (1982) 68° (1989) 0.1" 0"
Apr 10 42° 56° 29° (1951) 66° (1959) 0.1" 0"
Apr 11 42° 57° 28° (1991) 66° (1969) 0.1" 0"
Apr 12 42° 57° 28° (1968) 75° (1951) 0.1" 0"
Apr 13 43° 57° 27° (1970) 68° (1958) 0.1" 0"
Apr 14 43° 57° 29° (1970) 70° (1951) 0.1" 0"
Apr 15 43° 57° 30° (1967) 70° (1965) 0.09" 0"
Apr 16 43° 57° 29° (1976) 73° (1990) 0.1" 0"
Apr 17 43° 58° 29° (1964) 69° (1952) 0.1" 0"
Apr 18 43° 58° 29° (1964) 71° (1962) 0.09" 0"
Apr 19 43° 58° 29° (1982) 69° (1988) 0.1" 0"
Apr 20 43° 58° 22° (1951) 71° (1993) 0.09" 0"
Apr 21 43° 58° 26° (1951) 67° (1956) 0.09" 0"
Apr 22 44° 59° 30° (1968) 69° (1982) 0.09" 0"
Apr 23 44° 59° 29° (1951) 71° (1977) 0.09" 0"
Apr 24 44° 59° 29° (1951) 70° (1992) 0.08" 0"
Apr 25 44° 59° 29° (1984) 74° (1971) 0.09" 0"
Apr 26 44° 59° 31° (1958) 71° (1971) 0.08" 0"
Apr 27 44° 60° 30° (1954) 75° (1976) 0.09" 0"
Apr 28 45° 60° 30° (1970) 74° (1976) 0.08" 0"
Apr 29 45° 60° 29° (1975) 76° (1976) 0.08" 0"
Apr 30 45° 60° 30° (1954) 80° (1976) 0.09" 0"
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