Eureka, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 41° 55° 20° (1888) 78° (1986) 5.97" 0.1"
February 42° 56° 24° (1899) 85° (1930) 5.51" 0.2"
March 42° 56° 29° (1917) 78° (1930) 5.55" 0"
April 44° 57° 31° (1895) 80° (1989) 2.91" 0"
May 48° 60° 35° (2002) 84° (1939) 1.62" 0"
June 51° 62° 40° (2003) 85° (1945) 0.65" 0"
July 53° 63° 43° (1887) 76° (1992) 0.16" 0"
August 53° 64° 44° (1935) 82° (1991) 0.38" 0"
September 51° 64° 36° (1895) 86° (1983) 0.86" 0"
October 48° 61° 32° (1971) 87° (1993) 2.36" 0"
November 44° 58° 27° (1896) 81° (1904) 5.78" 0"
December 41° 55° 21° (1972) 77° (1963) 6.35" 0.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 58° 35° (1887) 79° (1940) 0.07" NA
May 2 46° 59° 36° (1894) 69° (1998) 0.07" NA
May 3 46° 59° 39° (1950) 73° (1989) 0.07" NA
May 4 46° 59° 39° (2002) 76° (1990) 0.06" NA
May 5 46° 59° 39° (1999) 70° (1902) 0.06" NA
May 6 46° 59° 37° (1964) 78° (1949) 0.06" NA
May 7 47° 59° 38° (1950) 82° (1987) 0.06" NA
May 8 47° 59° 35° (2002) 74° (1923) 0.06" NA
May 9 47° 59° 37° (1983) 72° (1988) 0.06" NA
May 10 47° 59° 38° (1896) 83° (1941) 0.06" NA
May 11 47° 59° 36° (1887) 71° (1960) 0.06" NA
May 12 47° 59° 38° (1896) 70° (1941) 0.06" NA
May 13 47° 59° 40° (1958) 84° (1939) 0.06" NA
May 14 47° 59° 39° (1917) 69° (1993) 0.05" NA
May 15 48° 60° 41° (1999) 75° (2006) 0.05" NA
May 16 48° 60° 36° (1894) 77° (1956) 0.05" NA
May 17 48° 60° 41° (1971) 72° (1997) 0.05" NA
May 18 48° 60° 40° (1974) 78° (1993) 0.05" NA
May 19 48° 60° 40° (2003) 78° (1952) 0.05" NA
May 20 48° 60° 40° (1976) 72° (1942) 0.05" NA
May 21 48° 60° 41° (1918) 76° (2001) 0.05" NA
May 22 48° 60° 40° (1986) 74° (1985) 0.05" NA
May 23 48° 60° 39° (2002) 67° (1992) 0.04" NA
May 24 49° 60° 42° (1922) 78° (1890) 0.04" NA
May 25 49° 60° 38° (1920) 72° (1986) 0.04" NA
May 26 49° 60° 42° (1973) 75° (1947) 0.04" NA
May 27 49° 60° 41° (1929) 70° (1988) 0.04" NA
May 28 49° 60° 41° (1977) 75° (1887) 0.04" NA
May 29 49° 61° 42° (1979) 77° (1993) 0.04" NA
May 30 49° 61° 42° (1898) 77° (1997) 0.04" NA
May 31 49° 61° 41° (2000) 81° (1970) 0.04" NA
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