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
Jul 1 12.8° 24.4° 9° (1963) 40° (1942) 0.03" NA
Jul 2 12.8° 25° 6° (1955) 42° (1942) 0.03" NA
Jul 3 12.8° 25° 7° (1954) 37° (1970) 0.03" NA
Jul 4 13.3° 25° 9° (1977) 36° (1972) 0.03" NA
Jul 5 13.3° 25.6° 9° (1988) 34° (1960) 0.03" NA
Jul 6 13.3° 25.6° 8° (1977) 36° (1960) 0.03" NA
Jul 7 13.3° 25.6° 8° (1971) 34° (1996) 0.03" NA
Jul 8 13.3° 25.6° 7° (1981) 37° (1952) 0.03" NA
Jul 9 13.3° 25.6° 8° (1964) 36° (1985) 0.03" NA
Jul 10 13.3° 26.1° 9° (1960) 39° (2007) 0.03" NA
Jul 11 13.9° 26.1° 9° (1960) 40° (1961) 0.02" NA
Jul 12 13.9° 26.1° 11° (2000) 39° (1961) 0.02" NA
Jul 13 13.9° 26.1° 9° (1968) 38° (1941) 0.02" NA
Jul 14 13.9° 26.1° 11° (1969) 39° (1941) 0.02" NA
Jul 15 13.9° 26.7° 9° (1982) 39° (1941) 0.02" NA
Jul 16 13.9° 26.7° 9° (1968) 40° (1979) 0.02" NA
Jul 17 13.9° 26.7° 9° (1955) 39° (1979) 0.02" NA
Jul 18 13.9° 26.7° 8° (1986) 37° (1985) 0.02" NA
Jul 19 13.9° 26.7° 9° (1964) 39° (1994) 0.02" NA
Jul 20 13.9° 26.7° 9° (1950) 39° (1994) 0.02" NA
Jul 21 13.9° 26.7° 10° (1984) 40° (2006) 0.02" NA
Jul 22 14.4° 26.7° 9° (1954) 37° (2004) 0.02" NA
Jul 23 14.4° 26.7° 8° (1963) 39° (2004) 0.02" NA
Jul 24 14.4° 26.7° 10° (1973) 38° (2004) 0.02" NA
Jul 25 14.4° 26.7° 9° (1963) 38° (1988) 0.02" NA
Jul 26 14.4° 27.2° 9° (1953) 37° (1998) 0.02" NA
Jul 27 14.4° 27.2° 8° (1959) 39° (1958) 0.02" NA
Jul 28 14.4° 27.2° 10° (1963) 38° (1998) 0.02" NA
Jul 29 14.4° 27.2° 10° (1956) 38° (2003) 0.02" NA
Jul 30 14.4° 27.2° 9° (1953) 42° (1965) 0.02" NA
Jul 31 14.4° 27.2° 9° (1956) 39° (1965) 0.02" NA
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