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
Jan 1 -11° (1979) 16° (1981) 0.19" 0"
Jan 2 -9° (1979) 14° (1981) 0.2" 0.1"
Jan 3 -6° (1979) 16° (1984) 0.2" 0"
Jan 4 -6° (2004) 16° (1984) 0.2" 0.1"
Jan 5 -8° (2004) 14° (2001) 0.2" 0"
Jan 6 -9° (2004) 14° (2002) 0.21" 0.1"
Jan 7 -9° (1974) 16° (2002) 0.2" 0"
Jan 8 -8° (1974) 13° (1983) 0.21" 0"
Jan 9 -9° (1974) 16° (1990) 0.22" 0.1"
Jan 10 -8° (1974) 13.3° (2006) 0.21" 0"
Jan 11 -7° (1974) 12° (1991) 0.2" 0.1"
Jan 12 -6° (1974) 15° (1991) 0.21" 0"
Jan 13 -3° (1993) 14° (1991) 0.2" 0"
Jan 14 -2° (1997) 14° (1974) 0.2" 0.1"
Jan 15 -3° (1979) 14° (1974) 0.2" 0"
Jan 16 -4° (1984) 15° (1984) 0.2" 0"
Jan 17 -4° (1984) 15° (1975) 0.2" 0"
Jan 18 -3° (1984) 18° (2005) 0.2" 0.1"
Jan 19 -2° (1984) 18° (2005) 0.2" 0"
Jan 20 -2° (1987) 14° (1978) 0.2" 0"
Jan 21 -2° (1984) 16° (2005) 0.19" 0"
Jan 22 -2° (1979) 13° (1981) 0.19" 0"
Jan 23 -2° (1979) 15° (2003) 0.19" 0"
Jan 24 -1° (1980) 16° (1992) 0.2" 0"
Jan 25 -1° (1976) 16° (1993) 0.2" 0"
Jan 26 -6° (1980) 16° (2003) 0.19" 0.1"
Jan 27 -7° (1980) 14° (1992) 0.19" 0"
Jan 28 -9° (1980) 14° (1988) 0.19" 0"
Jan 29 -9° (1980) 16° (1992) 0.18" 0"
Jan 30 -9° (1996) 17° (1992) 0.19" 0"
Jan 31 -9° (1996) 16° (1995) 0.18" 0"
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