Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° 46° 12° (1979) 65° (2005) 6.24" NA
February 39° 50° 8° (1989) 71° (1988) 5.07" NA
March 41° 56° 24° (1989) 79° (1994) 4.51" NA
April 44° 61° 31° (1975) 88° (2004) 3.1" NA
May 49° 67° 36° (1985) 103° (1983) 2.49" NA
June 53° 73° 41° (1991) 101° (2006) 1.6" NA
July 57° 79° 47° (1996) 104° (2006) 0.76" NA
August 58° 79° 46° (1973) 106° (1981) 0.99" NA
September 55° 74° 41° (1982) 103° (1988) 1.87" NA
October 48° 63° 31° (2002) 92° (1987) 3.39" NA
November 42° 51° 23° (1993) 71° (1999) 6.39" NA
December 37° 46° 10° (1983) 67° (1993) 6.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 64° 39° (1988) 85° (1998) 0.09" NA
May 2 46° 64° 40° (1997) 77° (1992) 0.09" NA
May 3 46° 64° 41° (1974) 90° (1992) 0.09" NA
May 4 46° 65° 37° (1996) 91° (1992) 0.09" NA
May 5 47° 65° 37° (1978) 88° (1992) 0.09" NA
May 6 47° 65° 36° (1978) 91° (1987) 0.09" NA
May 7 47° 65° 39° (2002) 97° (1987) 0.09" NA
May 8 47° 66° 38° (2002) 94° (1987) 0.09" NA
May 9 47° 66° 39° (1999) 87° (1987) 0.09" NA
May 10 48° 66° 38° (1999) 87° (1993) 0.08" NA
May 11 48° 66° 37° (1985) 91° (1997) 0.08" NA
May 12 48° 66° 36° (1985) 85° (1997) 0.08" NA
May 13 48° 67° 39° (1974) 88° (1975) 0.08" NA
May 14 48° 67° 38° (1986) 84° (1995) 0.08" NA
May 15 48° 67° 40° (1974) 81° (1976) 0.08" NA
May 16 49° 67° 40° (2002) 87° (1985) 0.08" NA
May 17 49° 67° 38° (1974) 88° (1993) 0.08" NA
May 18 49° 67° 37° (2003) 81° (1997) 0.08" NA
May 19 49° 68° 39° (1982) 85° (1978) 0.08" NA
May 20 49° 68° 37° (1975) 89° (1978) 0.08" NA
May 21 49° 68° 42° (1975) 92° (1988) 0.08" NA
May 22 50° 68° 42° (1986) 99° (2001) 0.08" NA
May 23 50° 68° 41° (1978) 91° (1983) 0.08" NA
May 24 50° 69° 41° (1975) 95° (1992) 0.07" NA
May 25 50° 69° 40° (1975) 89° (1979) 0.07" NA
May 26 50° 69° 42° (1977) 90° (2005) 0.07" NA
May 27 50° 69° 44° (1977) 97° (2005) 0.07" NA
May 28 50° 69° 42° (1976) 103° (1983) 0.07" NA
May 29 51° 69° 41° (2001) 87° (1983) 0.07" NA
May 30 51° 69° 44° (1999) 92° (1986) 0.07" NA
May 31 51° 70° 45° (1976) 94° (2001) 0.07" NA
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