Chattaroy, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 34° -30° (1888) 62° (1918) 1.79" 11.4"
February 26° 40° -24° (1996) 63° (1995) 1.38" 6.8"
March 32° 49° -10° (1891) 74° (1881) 1.61" 3.5"
April 37° 57° 14° (1936) 90° (1977) 1.28" 1"
May 44° 67° 24° (2002) 97° (1928) 1.62" 0.1"
June 50° 74° 33° (1984) 101° (1992) 1.25" 0"
July 56° 83° 37° (1981) 108° (1928) 0.64" 0"
August 56° 83° 35° (1965) 108° (1961) 0.59" 0"
September 47° 73° 22° (2000) 98° (1988) 0.67" 0"
October 37° 58° 7° (2002) 87° (1943) 1.18" 0.1"
November 30° 42° -21° (1985) 70° (1903) 2.3" 7.4"
December 23° 32° -25° (1968) 60° (1939) 2.3" 14.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 62° 24° (1954) 83° (1998) 0.04" 0"
May 2 40° 62° 27° (2001) 82° (1937) 0.04" 0"
May 3 40° 63° 29° (1996) 83° (1937) 0.04" 0"
May 4 40° 63° 28° (1982) 84° (1970) 0.04" 0"
May 5 41° 63° 27° (1999) 92° (1966) 0.04" 0"
May 6 41° 64° 26° (1965) 89° (1992) 0.04" 0"
May 7 41° 64° 28° (2002) 88° (1987) 0.05" 0"
May 8 42° 64° 24° (2002) 88° (1987) 0.05" 0"
May 9 42° 65° 27° (1999) 89° (1906) 0.05" 0.1"
May 10 42° 65° 26° (1999) 88° (1949) 0.05" 0"
May 11 42° 65° 31° (1999) 90° (1949) 0.05" 0"
May 12 43° 66° 25° (1985) 92° (1993) 0.05" 0"
May 13 43° 66° 31° (1983) 93° (1931) 0.05" 0"
May 14 43° 66° 30° (1986) 90° (1939) 0.05" 0"
May 15 44° 66° 30° (1974) 92° (1939) 0.05" 0"
May 16 44° 67° 29° (1986) 90° (2006) 0.06" 0"
May 17 44° 67° 27° (1966) 92° (2006) 0.05" 0"
May 18 45° 67° 31° (2003) 90° (2006) 0.05" 0"
May 19 45° 68° 32° (2003) 85° (2006) 0.06" 0"
May 20 45° 68° 32° (1987) 86° (1928) 0.05" 0"
May 21 45° 68° 33° (2010) 92° (1928) 0.05" 0"
May 22 46° 68° 31° (1966) 89° (1958) 0.06" 0"
May 23 46° 69° 32° (1964) 90° (2001) 0.06" 0"
May 24 46° 69° 32° (2010) 95° (1934) 0.06" 0"
May 25 46° 69° 31° (1964) 97° (1928) 0.06" 0"
May 26 47° 69° 35° (1991) 93° (1936) 0.06" 0"
May 27 47° 69° 34° (1955) 92° (1958) 0.06" 0"
May 28 47° 70° 34° (1950) 96° (1934) 0.06" 0"
May 29 47° 70° 34° (1979) 95° (1986) 0.07" 0"
May 30 48° 70° 34° (1978) 95° (1986) 0.06" 0"
May 31 48° 70° 33° (1882) 96° (1986) 0.06" 0"
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