Portland, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -11.1° (1979) 18.3° (2005) 6.24" NA
February 10° -13.3° (1989) 21.7° (1988) 5.07" NA
March 13° -4.4° (1989) 26.1° (1994) 4.51" NA
April 16° -0.6° (1975) 31.1° (2004) 3.1" NA
May 19° 2.2° (1985) 39.4° (1983) 2.49" NA
June 12° 23° 5° (1991) 38.3° (2006) 1.6" NA
July 14° 26° 8.3° (1996) 40° (2006) 0.76" NA
August 14° 26° 7.8° (1973) 41.1° (1981) 0.99" NA
September 13° 23° 5° (1982) 39.4° (1988) 1.87" NA
October 17° -0.6° (2002) 33.3° (1987) 3.39" NA
November 11° -5° (1993) 21.7° (1999) 6.39" NA
December -12.2° (1983) 19.4° (1993) 6.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 4.4° 11.7° -1° (1976) 19° (1981) 0.17" NA
Mar 2 4.4° 11.7° -2° (1989) 21° (1986) 0.17" NA
Mar 3 4.4° 11.7° -4° (1989) 18° (2005) 0.16" NA
Mar 4 4.4° 11.7° 1° (1989) 21° (1987) 0.16" NA
Mar 5 4.4° 12.2° -3° (1976) 20° (1984) 0.16" NA
Mar 6 4.4° 12.2° -1° (2002) 21° (2005) 0.16" NA
Mar 7 4.4° 12.2° -3° (1974) 21° (2001) 0.16" NA
Mar 8 4.4° 12.2° -3° (1974) 23° (2005) 0.16" NA
Mar 9 4.4° 12.2° 0.6° (2006) 23° (2005) 0.16" NA
Mar 10 4.4° 12.2° 0° (2006) 23° (2005) 0.15" NA
Mar 11 4.4° 12.8° -0.6° (2006) 24° (2005) 0.15" NA
Mar 12 4.4° 12.8° -1° (1976) 21° (1994) 0.15" NA
Mar 13 4.4° 12.8° -1° (1990) 21° (1979) 0.15" NA
Mar 14 12.8° 0° (1977) 21° (1996) 0.15" NA
Mar 15 12.8° 1° (1977) 18° (2004) 0.15" NA
Mar 16 13.3° 1° (1980) 21° (1978) 0.15" NA
Mar 17 13.3° 1° (1981) 23° (1978) 0.14" NA
Mar 18 13.3° 1° (2002) 23° (1978) 0.14" NA
Mar 19 13.3° 0.6° (2006) 22° (1978) 0.14" NA
Mar 20 13.3° 2° (1975) 24° (1978) 0.14" NA
Mar 21 13.3° 1° (1982) 23° (2004) 0.14" NA
Mar 22 13.9° 2° (1982) 23° (2004) 0.14" NA
Mar 23 13.9° 1° (1989) 23° (1979) 0.14" NA
Mar 24 13.9° 1° (2003) 21° (1979) 0.13" NA
Mar 25 13.9° 1° (1985) 23° (1997) 0.13" NA
Mar 26 13.9° 0° (1996) 23° (1994) 0.13" NA
Mar 27 13.9° 1° (1975) 26° (1994) 0.13" NA
Mar 28 5.6° 14.4° -1° (1975) 23° (1994) 0.13" NA
Mar 29 5.6° 14.4° 1° (1998) 24° (2004) 0.13" NA
Mar 30 5.6° 14.4° 1° (1982) 23° (1995) 0.12" NA
Mar 31 5.6° 14.4° 2° (1982) 23° (1987) 0.12" NA
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