Clarkston, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° 39° -22° (1950) 66° (1953) 1.14" 3.9"
February 31° 46° -18° (1884) 72° (1986) 0.95" 2.4"
March 36° 54° 2° (1955) 80° (1923) 1.12" 0.7"
April 41° 62° 20° (1966) 99° (1946) 1.31" 0.1"
May 47° 70° 23° (1954) 104° (1934) 1.56" 0"
June 54° 78° 34° (1951) 109° (1936) 1.16" 0"
July 59° 88° 41° (1955) 117° (1939) 0.72" 0"
August 59° 88° 41° (1992) 115° (1961) 0.75" 0"
September 51° 77° 27° (1926) 108° (1944) 0.81" 0"
October 41° 62° 15° (2002) 94° (1943) 0.96" 0.1"
November 34° 47° -3° (1955) 77° (1999) 1.21" 1.8"
December 28° 39° -23° (1919) 67° (1921) 1.05" 3.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 44° 66° 23° (1954) 87° (1998) 0.05" NA
May 2 44° 66° 28° (1954) 91° (1937) 0.05" NA
May 3 44° 67° 32° (1969) 93° (1937) 0.05" NA
May 4 44° 67° 32° (1919) 93° (1966) 0.05" NA
May 5 45° 67° 32° (1982) 96° (1966) 0.05" NA
May 6 45° 67° 33° (1959) 92° (1947) 0.05" NA
May 7 45° 68° 33° (2003) 93° (1987) 0.05" NA
May 8 45° 68° 34° (1999) 93° (2007) 0.05" NA
May 9 45° 68° 31° (1922) 92° (1940) 0.05" NA
May 10 46° 68° 30° (1895) 95° (1924) 0.05" NA
May 11 46° 69° 31° (1895) 96° (1924) 0.05" NA
May 12 46° 69° 31° (1985) 96° (1988) 0.05" NA
May 13 46° 69° 32° (1955) 97° (1931) 0.05" NA
May 14 47° 70° 32° (1955) 98° (1939) 0.06" NA
May 15 47° 70° 35° (1943) 100° (1939) 0.05" NA
May 16 47° 70° 34° (1983) 96° (2006) 0.05" NA
May 17 47° 70° 34° (1896) 97° (2006) 0.05" NA
May 18 47° 71° 34° (1965) 97° (2006) 0.05" NA
May 19 48° 71° 36° (1896) 90° (1929) 0.05" NA
May 20 48° 71° 37° (1927) 93° (1928) 0.05" NA
May 21 48° 71° 35° (1971) 97° (1928) 0.05" NA
May 22 48° 72° 32° (1960) 97° (1940) 0.05" NA
May 23 49° 72° 34° (1964) 98° (1940) 0.05" NA
May 24 49° 72° 37° (1950) 99° (1934) 0.05" NA
May 25 49° 72° 35° (1955) 101° (1928) 0.05" NA
May 26 49° 73° 34° (1918) 103° (1936) 0.05" NA
May 27 49° 73° 35° (1918) 99° (1936) 0.05" NA
May 28 50° 73° 37° (1955) 104° (1934) 0.05" NA
May 29 50° 73° 35° (1951) 100° (1983) 0.05" NA
May 30 50° 73° 32° (1951) 99° (1986) 0.05" NA
May 31 50° 74° 34° (1951) 102° (1903) 0.05" NA
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