Roche Harbor, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 45° -8° (1950) 65° (1931) 3.86" 2.2"
February 36° 48° -4° (1893) 66° (1986) 2.79" 1"
March 37° 52° 10° (1920) 76° (2004) 2.27" 0.7"
April 40° 57° 28° (1936) 78° (1926) 1.89" 0"
May 44° 62° 31° (1954) 87° (1983) 1.72" 0"
June 47° 66° 37° (1933) 89° (2003) 1.4" 0"
July 49° 70° 40° (1949) 92° (1941) 0.94" 0"
August 50° 70° 38° (1980) 89° (1990) 1.06" 0"
September 47° 66° 32° (1926) 87° (1951) 1.34" 0"
October 43° 58° 26° (1935) 77° (1987) 2.42" 0"
November 38° 50° 4° (1985) 67° (1980) 4.38" 0.6"
December 35° 45° 2° (1968) 65° (1994) 4.09" 1.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 36° 50° 21° (1989) 60° (1925) 0.08" NA
Mar 2 37° 50° 21° (1896) 64° (1926) 0.08" NA
Mar 3 37° 50° 20° (1976) 60° (1926) 0.08" NA
Mar 4 37° 50° 14° (1955) 65° (1987) 0.08" NA
Mar 5 37° 50° 16° (1955) 62° (1926) 0.08" NA
Mar 6 37° 50° 22° (2002) 65° (2007) 0.08" NA
Mar 7 37° 51° 23° (2002) 61° (1928) 0.08" NA
Mar 8 37° 51° 23° (2002) 65° (1905) 0.08" NA
Mar 9 37° 51° 25° (1951) 68° (1905) 0.08" NA
Mar 10 37° 51° 21° (1951) 66° (1905) 0.08" NA
Mar 11 37° 51° 19° (1897) 65° (1934) 0.07" NA
Mar 12 37° 51° 21° (1897) 65° (2005) 0.07" NA
Mar 13 37° 51° 25° (1903) 64° (2005) 0.07" NA
Mar 14 37° 52° 26° (1906) 67° (1981) 0.07" NA
Mar 15 37° 52° 30° (1906) 68° (1926) 0.07" NA
Mar 16 37° 52° 29° (1943) 66° (1947) 0.07" NA
Mar 17 37° 52° 28° (1896) 66° (1928) 0.07" NA
Mar 18 37° 52° 24° (1965) 67° (1928) 0.07" NA
Mar 19 38° 52° 21° (1913) 74° (1928) 0.07" NA
Mar 20 38° 52° 22° (1913) 66° (1914) 0.07" NA
Mar 21 38° 53° 26° (1913) 68° (1914) 0.07" NA
Mar 22 38° 53° 29° (1899) 67° (1939) 0.07" NA
Mar 23 38° 53° 29° (1899) 61° (1926) 0.07" NA
Mar 24 38° 53° 25° (1955) 64° (1926) 0.07" NA
Mar 25 38° 53° 25° (1898) 63° (1940) 0.07" NA
Mar 26 38° 53° 26° (1898) 67° (1941) 0.07" NA
Mar 27 38° 54° 29° (1954) 68° (1941) 0.07" NA
Mar 28 38° 54° 10° (1920) 68° (1941) 0.07" NA
Mar 29 38° 54° 27° (1936) 76° (2004) 0.07" NA
Mar 30 38° 54° 26° (1936) 69° (2004) 0.07" NA
Mar 31 38° 54° 30° (1936) 70° (1926) 0.07" NA
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