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) 6.14" 0.8"
February 11° -13.3° (1989) 21.7° (1988) 4.79" 0.9"
March 13° -4.4° (1989) 26.1° (1994) 4.5" 0.1"
April 16° -0.6° (1975) 31.1° (2004) 3.4" 0"
May 20° 2.2° (1985) 39.4° (1983) 2.55" 0"
June 12° 23° 5° (1991) 38.3° (2006) 1.69" 0"
July 14° 26° 8.3° (1996) 40° (2006) 0.59" 0"
August 15° 27° 7.8° (1973) 41.1° (1981) 0.71" 0"
September 12° 24° 5° (1982) 39.4° (1988) 1.54" 0"
October 17° -0.6° (2002) 33.3° (1987) 3.42" 0"
November 11° -5° (1993) 21.7° (1999) 6.74" 0"
December -12.2° (1983) 19.4° (1993) 6.94" 1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 15° 27° 11° (1980) 34° (1974) 0.02" 0"
Aug 2 15° 27° 10° (2002) 34° (1977) 0.01" 0"
Aug 3 15° 27° 12° (1975) 37° (1993) 0.02" 0"
Aug 4 15° 27° 11.1° (2006) 37° (1990) 0.01" 0"
Aug 5 15° 27° 11° (1982) 34° (1977) 0.02" 0"
Aug 6 15° 27° 9° (1975) 37° (1981) 0.01" 0"
Aug 7 15° 27° 9° (1974) 39° (1981) 0.02" 0"
Aug 8 15° 27° 11° (1974) 41° (1978) 0.02" 0"
Aug 9 15° 27° 10° (1975) 40° (1981) 0.02" 0"
Aug 10 15° 27° 11° (1975) 41° (1981) 0.02" 0"
Aug 11 15° 27° 11° (1989) 39° (1977) 0.02" 0"
Aug 12 15° 27° 11° (1974) 41° (1977) 0.02" 0"
Aug 13 15° 27° 10° (1995) 37° (2002) 0.02" 0"
Aug 14 15° 27° 8° (1982) 36° (2010) 0.02" 0"
Aug 15 15° 27° 10° (1982) 36° (2010) 0.03" 0"
Aug 16 15° 27° 11° (1973) 39° (1977) 0.02" 0"
Aug 17 15° 27° 9° (1973) 41° (1977) 0.03" 0"
Aug 18 14° 27° 8° (1973) 33° (1981) 0.02" 0"
Aug 19 14° 27° 10° (1973) 32.8° (2006) 0.03" 0"
Aug 20 14° 27° 9° (1973) 33° (1986) 0.02" 0"
Aug 21 14° 26° 9° (1973) 32° (2003) 0.03" 0"
Aug 22 14° 26° 8° (1973) 34° (1988) 0.02" 0"
Aug 23 14° 26° 9° (1973) 38° (1988) 0.03" 0"
Aug 24 14° 26° 8° (1975) 37° (1982) 0.02" 0"
Aug 25 14° 26° 8° (1993) 35° (2010) 0.03" 0"
Aug 26 14° 26° 9° (1975) 37° (1986) 0.02" 0"
Aug 27 14° 26° 10° (1981) 34° (1974) 0.03" 0"
Aug 28 14° 26° 8° (1980) 35° (1974) 0.03" 0"
Aug 29 14° 26° 9° (1980) 33° (1996) 0.03" 0"
Aug 30 14° 26° 11° (1988) 36° (1987) 0.04" 0"
Aug 31 14° 26° 9° (1973) 38° (1987) 0.03" 0"
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