Dayton, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 40° -22° (1950) 69° (1968) 2.31" NA
February 29° 46° -22° (1950) 74° (1995) 1.87" NA
March 34° 54° 5° (1989) 79° (2004) 2.02" NA
April 39° 61° 17° (1936) 93° (1946) 1.67" NA
May 45° 69° 23° (1954) 101° (1983) 1.62" NA
June 50° 77° 29° (1951) 107° (1961) 1.2" NA
July 55° 87° 34° (1952) 109° (1975) 0.57" NA
August 55° 87° 34° (1952) 114° (1961) 0.73" NA
September 48° 77° 24° (1954) 105° (1953) 0.89" NA
October 39° 64° 7° (1935) 92° (1943) 1.53" NA
November 33° 49° -10° (1985) 80° (1965) 2.67" NA
December 27° 40° -25° (1968) 69° (1939) 2.47" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 56° 89° 40° (1953) 105° (1965) 0.02" NA
Aug 2 56° 89° 41° (1957) 102° (1971) 0.02" NA
Aug 3 56° 89° 42° (1955) 104° (1951) 0.02" NA
Aug 4 56° 88° 37° (1954) 107° (1961) 0.02" NA
Aug 5 56° 88° 42° (1954) 114° (1961) 0.02" NA
Aug 6 56° 88° 42° (1954) 108° (1990) 0.02" NA
Aug 7 56° 88° 42° (1946) 104° (1972) 0.02" NA
Aug 8 56° 88° 42° (1938) 106° (1972) 0.02" NA
Aug 9 56° 88° 44° (1970) 106° (1972) 0.02" NA
Aug 10 56° 88° 40° (1954) 108° (1984) 0.02" NA
Aug 11 56° 88° 44° (1954) 104° (1981) 0.02" NA
Aug 12 56° 88° 41° (1968) 103° (1967) 0.02" NA
Aug 13 56° 88° 41° (1949) 105° (1981) 0.02" NA
Aug 14 56° 87° 42° (2000) 104° (1981) 0.02" NA
Aug 15 56° 87° 37° (1937) 103° (1953) 0.02" NA
Aug 16 56° 87° 43° (1937) 104° (1967) 0.02" NA
Aug 17 55° 87° 40° (1969) 104° (2001) 0.02" NA
Aug 18 55° 87° 42° (1973) 107° (1977) 0.02" NA
Aug 19 55° 86° 39° (1952) 106° (1940) 0.02" NA
Aug 20 55° 86° 39° (1952) 103° (1977) 0.02" NA
Aug 21 55° 86° 42° (1955) 103° (1977) 0.03" NA
Aug 22 54° 86° 40° (1953) 102° (1961) 0.03" NA
Aug 23 54° 85° 38° (1992) 102° (1970) 0.03" NA
Aug 24 54° 85° 39° (1951) 106° (1970) 0.03" NA
Aug 25 54° 85° 38° (1933) 105° (1958) 0.03" NA
Aug 26 54° 84° 39° (1955) 106° (1958) 0.03" NA
Aug 27 53° 84° 39° (1952) 103° (1958) 0.03" NA
Aug 28 53° 84° 40° (1960) 102° (1986) 0.03" NA
Aug 29 53° 83° 37° (1969) 101° (1972) 0.03" NA
Aug 30 53° 83° 34° (1952) 101° (1967) 0.03" NA
Aug 31 52° 83° 37° (1964) 105° (1967) 0.03" NA
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