Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 46° -2° (1950) 66° (2005) 5.07" 1.6"
February 36° 50° -3° (1950) 71° (1988) 4.18" 1.6"
March 39° 56° 19° (1989) 80° (1947) 3.71" 0.1"
April 42° 61° 29° (1955) 90° (1998) 2.64" 0"
May 47° 67° 29° (1954) 100° (1983) 2.38" 0"
June 53° 73° 39° (1966) 102° (2006) 1.59" 0"
July 57° 79° 43° (1955) 107° (1965) 0.72" 0"
August 57° 80° 44° (1980) 107° (1981) 0.93" 0"
September 53° 75° 34° (1965) 105° (1988) 1.65" 0"
October 45° 63° 26° (1971) 92° (1987) 2.88" 0"
November 40° 52° 13° (1985) 73° (1975) 5.61" 0.6"
December 35° 45° 6° (1964) 65° (1993) 5.71" 1.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 37° 47° 20° (1985) 62° (1958) 0.2" NA
Dec 2 37° 47° 23° (1985) 62° (1958) 0.2" NA
Dec 3 37° 47° 28° (1988) 62° (1979) 0.2" NA
Dec 4 36° 47° 23° (1972) 64° (1945) 0.2" NA
Dec 5 36° 47° 20° (1972) 59° (1970) 0.19" NA
Dec 6 36° 47° 22° (1972) 60° (1988) 0.19" NA
Dec 7 36° 46° 17° (1972) 58° (1970) 0.19" NA
Dec 8 36° 46° 8° (1972) 59° (1975) 0.19" NA
Dec 9 36° 46° 15° (1972) 60° (1987) 0.19" NA
Dec 10 36° 46° 16° (1972) 65° (1993) 0.19" NA
Dec 11 35° 46° 16° (1972) 61° (1955) 0.19" NA
Dec 12 35° 46° 14° (1972) 63° (1995) 0.19" NA
Dec 13 35° 45° 18° (1972) 61° (1977) 0.19" NA
Dec 14 35° 45° 23° (1972) 60° (2006) 0.19" NA
Dec 15 35° 45° 23° (1972) 59° (1959) 0.18" NA
Dec 16 35° 45° 6° (1964) 60° (1974) 0.18" NA
Dec 17 35° 45° 7° (1964) 58° (1999) 0.18" NA
Dec 18 35° 45° 11° (1964) 58° (1972) 0.18" NA
Dec 19 34° 45° 14° (1964) 59° (1972) 0.18" NA
Dec 20 34° 45° 13° (1967) 59° (1974) 0.18" NA
Dec 21 34° 45° 12° (1990) 62° (1940) 0.18" NA
Dec 22 34° 45° 13° (1990) 60° (1940) 0.18" NA
Dec 23 34° 45° 11° (1998) 64° (1950) 0.18" NA
Dec 24 34° 45° 15° (1990) 60° (1980) 0.18" NA
Dec 25 34° 45° 19° (1990) 64° (1980) 0.18" NA
Dec 26 34° 44° 22° (1983) 63° (1980) 0.18" NA
Dec 27 34° 44° 23° (1971) 61° (1980) 0.17" NA
Dec 28 34° 44° 19° (1990) 58° (1945) 0.17" NA
Dec 29 34° 44° 14° (1990) 58° (1950) 0.17" NA
Dec 30 34° 44° 8° (1968) 60° (1980) 0.17" NA
Dec 31 34° 44° 9° (1968) 58° (1996) 0.17" NA
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