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
Mar 1 2.8° 11.7° -6° (1971) 19° (1981) 0.14" NA
Mar 2 2.8° 11.7° -4° (1960) 19° (1986) 0.14" NA
Mar 3 2.8° 12.2° -7° (1989) 19° (1994) 0.13" NA
Mar 4 2.8° 12.2° -3° (1960) 21° (1987) 0.13" NA
Mar 5 3.3° 12.2° -7° (1955) 19° (1984) 0.13" NA
Mar 6 3.3° 12.2° -2° (1976) 21° (1965) 0.13" NA
Mar 7 3.3° 12.2° -4° (1974) 21° (2005) 0.13" NA
Mar 8 3.3° 12.2° -3° (1974) 22° (2005) 0.13" NA
Mar 9 3.3° 12.8° -4° (1943) 21° (2005) 0.13" NA
Mar 10 3.3° 12.8° -6° (1969) 23° (2005) 0.13" NA
Mar 11 3.3° 12.8° -4° (1956) 24° (2005) 0.13" NA
Mar 12 3.3° 12.8° -4° (1954) 21° (1994) 0.12" NA
Mar 13 3.3° 12.8° -4° (1944) 22° (1979) 0.12" NA
Mar 14 3.3° 12.8° -2° (1953) 23° (1947) 0.12" NA
Mar 15 3.9° 13.3° -3° (1955) 25° (1947) 0.12" NA
Mar 16 3.9° 13.3° -3° (1955) 27° (1947) 0.12" NA
Mar 17 3.9° 13.3° -4° (1955) 24° (1947) 0.12" NA
Mar 18 3.9° 13.3° -2° (1943) 22° (1988) 0.12" NA
Mar 19 3.9° 13.3° -4° (1965) 23° (1960) 0.12" NA
Mar 20 3.9° 13.3° -2° (1955) 22° (1960) 0.12" NA
Mar 21 3.9° 13.9° -2° (1952) 21° (2004) 0.11" NA
Mar 22 3.9° 13.9° -2° (1966) 23° (1979) 0.11" NA
Mar 23 3.9° 13.9° -1° (1954) 23° (1982) 0.11" NA
Mar 24 3.9° 13.9° -2° (1969) 22° (1960) 0.11" NA
Mar 25 3.9° 13.9° -1° (1970) 23° (1966) 0.11" NA
Mar 26 4.4° 13.9° -1° (1996) 23° (1994) 0.11" NA
Mar 27 4.4° 13.9° -3° (1975) 25° (1994) 0.11" NA
Mar 28 4.4° 14.4° -2° (1962) 24° (1994) 0.11" NA
Mar 29 4.4° 14.4° -5° (1954) 24° (2004) 0.1" NA
Mar 30 4.4° 14.4° -4° (1954) 25° (1942) 0.1" NA
Mar 31 4.4° 14.4° -1° (1970) 22° (1987) 0.1" NA
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