Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 36° 47° -2° (1950) 66° (2005) 4.88" 0.5"
February 36° 51° -3° (1950) 71° (1988) 3.79" 2.1"
March 40° 57° 19° (1989) 80° (1947) 3.68" 0.2"
April 43° 61° 29° (1955) 90° (1998) 2.73" 0"
May 49° 68° 29° (1954) 100° (1983) 2.47" 0"
June 54° 74° 39° (1966) 102° (2006) 1.7" 0"
July 58° 81° 43° (1955) 107° (1965) 0.65" 0"
August 58° 81° 44° (1980) 107° (1981) 0.67" 0"
September 53° 76° 34° (1965) 105° (1988) 1.47" 0"
October 46° 64° 26° (1971) 92° (1987) 3" 0"
November 41° 53° 13° (1985) 73° (1975) 5.63" 0.2"
December 35° 46° 6° (1964) 65° (1993) 5.49" 1.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 37° 48° 20° (1985) 62° (1958) 0.21" 0"
Dec 2 37° 48° 23° (1985) 62° (1958) 0.2" 0.1"
Dec 3 37° 48° 28° (1988) 62° (1979) 0.2" 0"
Dec 4 37° 47° 23° (1972) 64° (1945) 0.2" 0"
Dec 5 36° 47° 20° (1972) 59° (1970) 0.19" 0.1"
Dec 6 36° 47° 22° (1972) 60° (1988) 0.19" 0"
Dec 7 36° 47° 17° (1972) 58° (1970) 0.19" 0"
Dec 8 36° 46° 8° (1972) 59° (1975) 0.18" 0.1"
Dec 9 36° 46° 12° (2009) 60° (1987) 0.18" 0"
Dec 10 35° 46° 13° (2009) 65° (1993) 0.18" 0"
Dec 11 35° 46° 14° (2009) 61° (1955) 0.17" 0.1"
Dec 12 35° 46° 14° (1972) 63° (1995) 0.18" 0"
Dec 13 35° 46° 18° (1972) 61° (2010) 0.17" 0.1"
Dec 14 35° 45° 23° (2008) 60° (2006) 0.18" 0"
Dec 15 35° 45° 22° (2008) 59° (1959) 0.18" 0"
Dec 16 35° 45° 6° (1964) 60° (1974) 0.17" 0.1"
Dec 17 35° 45° 7° (1964) 58° (1999) 0.17" 0"
Dec 18 35° 45° 11° (1964) 58° (1972) 0.18" 0.1"
Dec 19 35° 45° 14° (1964) 59° (1972) 0.17" 0"
Dec 20 35° 45° 13° (1967) 59° (1974) 0.18" 0.1"
Dec 21 35° 45° 12° (1990) 62° (1940) 0.17" 0"
Dec 22 35° 45° 13° (1990) 60° (1940) 0.17" 0.1"
Dec 23 35° 45° 11° (1998) 64° (1950) 0.17" 0"
Dec 24 35° 45° 15° (1990) 60° (1980) 0.17" 0.1"
Dec 25 35° 45° 19° (1990) 64° (1980) 0.17" 0"
Dec 26 35° 45° 22° (1983) 63° (1980) 0.17" 0.1"
Dec 27 35° 45° 23° (1971) 61° (1980) 0.16" 0"
Dec 28 35° 45° 19° (1990) 58° (1945) 0.17" 0.1"
Dec 29 35° 45° 14° (1990) 58° (1950) 0.16" 0"
Dec 30 35° 45° 8° (1968) 60° (1980) 0.15" 0.1"
Dec 31 35° 45° 9° (1968) 58° (1996) 0.16" 0"
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