Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -18.9° (1950) 18.9° (2005) 5.07" 1.6"
February 10° -19.4° (1950) 21.7° (1988) 4.18" 1.6"
March 13° -7.2° (1989) 28.3° (1947) 3.71" 0.1"
April 16° -1.7° (1955) 32.2° (1998) 2.64" 0"
May 19° -1.7° (1954) 37.8° (1983) 2.38" 0"
June 12° 23° 3.9° (1966) 38.9° (2006) 1.59" 0"
July 14° 26° 6.1° (1955) 41.7° (1965) 0.72" 0"
August 14° 27° 6.7° (1980) 41.7° (1981) 0.93" 0"
September 12° 24° 1.1° (1965) 40.6° (1988) 1.65" 0"
October 17° -3.3° (1971) 33.3° (1987) 2.88" 0"
November 11° -10.6° (1985) 22.8° (1975) 5.61" 0.6"
December -14.4° (1964) 18.3° (1993) 5.71" 1.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 10° 21.1° 4° (1966) 34° (1970) 0.07" NA
Jun 2 10° 21.1° 5° (1977) 37° (1970) 0.07" NA
Jun 3 10.6° 21.1° 6° (1976) 33° (1987) 0.07" NA
Jun 4 10.6° 21.1° 6° (1966) 33° (2003) 0.06" NA
Jun 5 10.6° 21.1° 5° (1966) 36° (2003) 0.06" NA
Jun 6 10.6° 21.7° 7° (1962) 37° (2003) 0.06" NA
Jun 7 10.6° 21.7° 7° (1979) 34° (1948) 0.06" NA
Jun 8 10.6° 21.7° 7° (2002) 34° (1955) 0.06" NA
Jun 9 11.1° 21.7° 7° (1962) 35° (1955) 0.06" NA
Jun 10 11.1° 21.7° 7° (1973) 32° (1982) 0.06" NA
Jun 11 11.1° 22.2° 7° (1952) 35° (1941) 0.06" NA
Jun 12 11.1° 22.2° 6° (1965) 34° (2002) 0.06" NA
Jun 13 11.1° 22.2° 6° (1976) 36° (2002) 0.06" NA
Jun 14 11.1° 22.2° 8° (1976) 32° (1988) 0.06" NA
Jun 15 11.7° 22.2° 7° (1959) 35° (1966) 0.05" NA
Jun 16 11.7° 22.8° 7° (1955) 35° (1958) 0.05" NA
Jun 17 11.7° 22.8° 6° (1991) 36° (1969) 0.05" NA
Jun 18 11.7° 22.8° 6° (1954) 38° (1982) 0.05" NA
Jun 19 11.7° 22.8° 7° (1955) 35° (1982) 0.05" NA
Jun 20 11.7° 23.3° 7° (1964) 35° (1970) 0.05" NA
Jun 21 11.7° 23.3° 8° (1956) 36° (1992) 0.05" NA
Jun 22 12.2° 23.3° 8° (1965) 38° (1992) 0.05" NA
Jun 23 12.2° 23.3° 8° (1985) 36° (1992) 0.04" NA
Jun 24 12.2° 23.9° 8° (1971) 36° (1992) 0.04" NA
Jun 25 12.2° 23.9° 7° (1976) 38° (2006) 0.04" NA
Jun 26 12.2° 23.9° 7° (1976) 39° (2006) 0.04" NA
Jun 27 12.2° 23.9° 5° (1965) 37° (2000) 0.04" NA
Jun 28 12.8° 24.4° 6° (1964) 36° (2003) 0.04" NA
Jun 29 12.8° 24.4° 7° (1971) 36° (1951) 0.04" NA
Jun 30 12.8° 24.4° 5° (1949) 39° (1942) 0.04" NA
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