Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -11.1° (1979) 18.3° (2005) 6.24" NA
February 10° -13.3° (1989) 21.7° (1988) 5.07" NA
March 13° -4.4° (1989) 26.1° (1994) 4.51" NA
April 16° -0.6° (1975) 31.1° (2004) 3.1" NA
May 19° 2.2° (1985) 39.4° (1983) 2.49" NA
June 12° 23° 5° (1991) 38.3° (2006) 1.6" NA
July 14° 26° 8.3° (1996) 40° (2006) 0.76" NA
August 14° 26° 7.8° (1973) 41.1° (1981) 0.99" NA
September 13° 23° 5° (1982) 39.4° (1988) 1.87" NA
October 17° -0.6° (2002) 33.3° (1987) 3.39" NA
November 11° -5° (1993) 21.7° (1999) 6.39" NA
December -12.2° (1983) 19.4° (1993) 6.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 5.6° 14.4° 1° (1999) 27° (1987) 0.12" NA
Apr 2 5.6° 14.4° 2° (1976) 26° (1992) 0.12" NA
Apr 3 5.6° 14.4° 2° (1975) 26° (2000) 0.12" NA
Apr 4 5.6° 15° 1° (1997) 24° (1990) 0.12" NA
Apr 5 5.6° 15° -1° (1975) 27° (1977) 0.12" NA
Apr 6 5.6° 15° 0° (1975) 27° (1977) 0.11" NA
Apr 7 5.6° 15° 2° (2001) 28° (1996) 0.11" NA
Apr 8 5.6° 15° 1° (1975) 23° (1996) 0.11" NA
Apr 9 6.1° 15.6° 1° (1982) 27° (1985) 0.11" NA
Apr 10 6.1° 15.6° 2° (1983) 26° (1988) 0.11" NA
Apr 11 6.1° 15.6° 1° (1991) 28° (2004) 0.11" NA
Apr 12 6.1° 15.6° 2° (1983) 28° (1988) 0.11" NA
Apr 13 6.1° 15.6° 2° (1983) 28° (1980) 0.1" NA
Apr 14 6.1° 15.6° 2° (1975) 27° (1984) 0.1" NA
Apr 15 6.1° 16.1° 2° (1976) 28° (1990) 0.1" NA
Apr 16 6.1° 16.1° 2° (1982) 27° (1999) 0.1" NA
Apr 17 6.7° 16.1° 2° (1977) 27° (1983) 0.1" NA
Apr 18 6.7° 16.1° 2° (1982) 27° (1981) 0.1" NA
Apr 19 6.7° 16.1° 1° (1982) 24° (1991) 0.1" NA
Apr 20 6.7° 16.7° 1° (1975) 26° (1986) 0.1" NA
Apr 21 6.7° 16.7° 2° (1976) 26° (1982) 0.1" NA
Apr 22 6.7° 16.7° 4° (1995) 28° (1982) 0.1" NA
Apr 23 6.7° 16.7° 4° (1976) 27° (1977) 0.1" NA
Apr 24 7.2° 16.7° 2° (1986) 26° (1999) 0.09" NA
Apr 25 7.2° 17.2° 3° (2003) 28° (2001) 0.09" NA
Apr 26 7.2° 17.2° 2° (1984) 31° (2004) 0.09" NA
Apr 27 7.2° 17.2° 3° (2003) 31° (1987) 0.09" NA
Apr 28 7.2° 17.2° 3° (1975) 28° (1998) 0.09" NA
Apr 29 7.8° 17.8° 2° (1982) 31° (1998) 0.09" NA
Apr 30 7.8° 17.8° 3° (1986) 31° (1998) 0.09" NA
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