Friday 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
Apr 1 38° 54° 28° (1936) 68° (1987) 0.07" NA
Apr 2 39° 55° 29° (1935) 69° (1992) 0.07" NA
Apr 3 39° 55° 30° (2007) 66° (2004) 0.07" NA
Apr 4 39° 55° 30° (1895) 68° (1966) 0.07" NA
Apr 5 39° 55° 30° (1956) 67° (1966) 0.07" NA
Apr 6 39° 55° 29° (1929) 71° (2007) 0.07" NA
Apr 7 39° 55° 33° (1892) 70° (1926) 0.07" NA
Apr 8 39° 56° 31° (1933) 70° (1926) 0.07" NA
Apr 9 39° 56° 30° (1906) 74° (1926) 0.07" NA
Apr 10 39° 56° 31° (1933) 70° (2004) 0.06" NA
Apr 11 39° 56° 32° (1903) 74° (2004) 0.06" NA
Apr 12 39° 56° 33° (1922) 75° (2004) 0.06" NA
Apr 13 40° 56° 32° (1911) 72° (1926) 0.06" NA
Apr 14 40° 57° 31° (1954) 78° (1926) 0.06" NA
Apr 15 40° 57° 32° (1894) 74° (1947) 0.06" NA
Apr 16 40° 57° 32° (1995) 73° (1990) 0.06" NA
Apr 17 40° 57° 32° (1964) 70° (1939) 0.06" NA
Apr 18 40° 57° 32° (1909) 70° (1934) 0.06" NA
Apr 19 40° 57° 31° (1927) 76° (1934) 0.06" NA
Apr 20 40° 58° 31° (1927) 75° (1934) 0.06" NA
Apr 21 40° 58° 33° (1951) 69° (1982) 0.06" NA
Apr 22 41° 58° 32° (1972) 71° (1905) 0.06" NA
Apr 23 41° 58° 34° (1896) 74° (1931) 0.06" NA
Apr 24 41° 58° 33° (1924) 73° (1905) 0.06" NA
Apr 25 41° 59° 30° (1955) 72° (1926) 0.06" NA
Apr 26 41° 59° 31° (1948) 76° (1926) 0.06" NA
Apr 27 41° 59° 30° (1948) 75° (1926) 0.06" NA
Apr 28 41° 59° 32° (1955) 74° (1925) 0.06" NA
Apr 29 41° 59° 32° (1896) 72° (1998) 0.06" NA
Apr 30 42° 60° 33° (1894) 76° (1998) 0.06" NA
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