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
Jul 1 53° 83° 41° (1953) 100° (1987) 0.03" NA
Jul 2 54° 83° 37° (1955) 99° (1942) 0.02" NA
Jul 3 54° 83° 38° (1962) 100° (1942) 0.02" NA
Jul 4 54° 84° 41° (1971) 104° (1970) 0.02" NA
Jul 5 54° 84° 41° (1971) 104° (1968) 0.02" NA
Jul 6 54° 84° 34° (1952) 105° (1968) 0.02" NA
Jul 7 54° 85° 38° (1952) 107° (1968) 0.02" NA
Jul 8 54° 85° 39° (1962) 103° (1964) 0.02" NA
Jul 9 55° 85° 43° (1935) 104° (1968) 0.02" NA
Jul 10 55° 86° 42° (1935) 109° (1975) 0.02" NA
Jul 11 55° 86° 40° (1932) 105° (1975) 0.02" NA
Jul 12 55° 86° 42° (1942) 106° (1990) 0.02" NA
Jul 13 55° 86° 43° (1969) 107° (1990) 0.02" NA
Jul 14 55° 87° 45° (1986) 106° (1935) 0.02" NA
Jul 15 55° 87° 43° (1969) 104° (2004) 0.02" NA
Jul 16 55° 87° 41° (1946) 105° (1941) 0.02" NA
Jul 17 56° 87° 44° (1953) 108° (1941) 0.02" NA
Jul 18 56° 88° 40° (1962) 105° (1960) 0.02" NA
Jul 19 56° 88° 42° (1962) 109° (1960) 0.01" NA
Jul 20 56° 88° 43° (1951) 106° (1979) 0.01" NA
Jul 21 56° 88° 40° (1953) 106° (1931) 0.01" NA
Jul 22 56° 88° 37° (1954) 105° (1994) 0.01" NA
Jul 23 56° 88° 41° (1963) 106° (1994) 0.01" NA
Jul 24 56° 88° 39° (1953) 104° (1959) 0.01" NA
Jul 25 56° 88° 41° (1954) 106° (1994) 0.02" NA
Jul 26 56° 88° 43° (1953) 103° (1939) 0.02" NA
Jul 27 56° 89° 46° (1952) 105° (1939) 0.02" NA
Jul 28 56° 89° 38° (1953) 105° (1998) 0.02" NA
Jul 29 56° 89° 41° (1954) 105° (1958) 0.02" NA
Jul 30 56° 89° 42° (1954) 107° (1960) 0.02" NA
Jul 31 56° 89° 42° (1981) 104° (1951) 0.02" NA
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