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
Jul 1 13° 25° 9° (1988) 32° (1995) 0.03" 0"
Jul 2 13° 25° 9° (1976) 36° (1991) 0.03" 0"
Jul 3 13° 25° 9° (1999) 35° (1981) 0.03" 0"
Jul 4 13° 25° 8° (1977) 36° (1997) 0.02" 0"
Jul 5 13° 25° 8° (1996) 31° (1976) 0.03" 0"
Jul 6 13° 25° 9° (1977) 30° (2002) 0.02" 0"
Jul 7 14° 26° 9° (1981) 35° (2010) 0.03" 0"
Jul 8 14° 26° 9° (1981) 37° (2010) 0.02" 0"
Jul 9 14° 26° 9° (1983) 35° (1985) 0.03" 0"
Jul 10 14° 26° 10° (1994) 38° (2002) 0.02" 0"
Jul 11 14° 26° 11° (1996) 33° (1990) 0.02" 0"
Jul 12 14° 26° 10° (1981) 34° (2004) 0.02" 0"
Jul 13 14° 26° 10° (1977) 37° (1996) 0.02" 0"
Jul 14 14° 26° 9° (1981) 37° (1996) 0.02" 0"
Jul 15 14° 27° 8° (1982) 36° (1979) 0.02" 0"
Jul 16 14° 27° 11° (1986) 40° (1979) 0.01" 0"
Jul 17 14° 27° 10° (1977) 38° (1992) 0.02" 0"
Jul 18 14° 27° 9° (1976) 35° (1985) 0.02" 0"
Jul 19 14° 27° 9° (1977) 38° (1985) 0.01" 0"
Jul 20 14° 27° 11° (1984) 38° (1994) 0.02" 0"
Jul 21 15° 27° 9° (1984) 40° (2006) 0.01" 0"
Jul 22 15° 27° 11° (1982) 39° (1978) 0.02" 0"
Jul 23 15° 27° 11° (1988) 39° (2004) 0.01" 0"
Jul 24 15° 27° 12° (1986) 38° (2004) 0.02" 0"
Jul 25 15° 27° 12° (1989) 37° (1978) 0.01" 0"
Jul 26 15° 27° 12° (1997) 38° (1998) 0.01" 0"
Jul 27 15° 27° 11° (1976) 37° (1998) 0.02" 0"
Jul 28 15° 27° 11° (1986) 38° (1998) 0.01" 0"
Jul 29 15° 27° 9° (1975) 37° (2003) 0.01" 0"
Jul 30 15° 27° 10° (1995) 38° (1992) 0.02" 0"
Jul 31 15° 27° 9° (2002) 36° (1974) 0.01" 0"
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