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
Jan 1 25° 39° -14° (1979) 63° (1939) 0.08" NA
Jan 2 25° 39° -11° (1979) 64° (1964) 0.08" NA
Jan 3 26° 39° -4° (1978) 60° (2003) 0.08" NA
Jan 4 26° 39° -7° (1942) 58° (1984) 0.08" NA
Jan 5 26° 39° -12° (2004) 64° (1984) 0.08" NA
Jan 6 26° 39° -10° (1942) 59° (1983) 0.08" NA
Jan 7 26° 39° -9° (1937) 62° (2002) 0.08" NA
Jan 8 26° 39° -12° (1937) 64° (1953) 0.08" NA
Jan 9 26° 39° -16° (1974) 65° (1953) 0.08" NA
Jan 10 26° 39° -7° (1974) 63° (1990) 0.08" NA
Jan 11 26° 40° -6° (1963) 65° (1953) 0.08" NA
Jan 12 26° 40° -8° (1974) 64° (1959) 0.08" NA
Jan 13 26° 40° -6° (1993) 62° (1983) 0.08" NA
Jan 14 26° 40° -8° (1950) 58° (1974) 0.08" NA
Jan 15 26° 40° -6° (1950) 64° (1961) 0.07" NA
Jan 16 26° 40° -2° (1950) 62° (1973) 0.07" NA
Jan 17 26° 40° -11° (1950) 65° (1976) 0.07" NA
Jan 18 26° 40° -8° (1943) 56° (1944) 0.07" NA
Jan 19 26° 40° -9° (1937) 63° (2005) 0.07" NA
Jan 20 26° 40° -15° (1935) 65° (2005) 0.07" NA
Jan 21 26° 41° -10° (1937) 69° (1968) 0.07" NA
Jan 22 26° 41° 0° (1942) 65° (2005) 0.07" NA
Jan 23 26° 41° -9° (1969) 62° (1981) 0.07" NA
Jan 24 27° 41° -7° (1949) 67° (1935) 0.07" NA
Jan 25 27° 41° -10° (1949) 65° (1935) 0.07" NA
Jan 26 27° 41° -21° (1957) 60° (1982) 0.07" NA
Jan 27 27° 42° -19° (1957) 64° (2003) 0.07" NA
Jan 28 27° 42° -18° (1957) 66° (1931) 0.07" NA
Jan 29 27° 42° -16° (1950) 65° (1976) 0.07" NA
Jan 30 27° 42° -20° (1950) 61° (1995) 0.07" NA
Jan 31 27° 42° -22° (1950) 65° (1992) 0.07" NA
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