Portland Mills, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -31° (1984) 72° (1950) 2.99" 14.3"
February 15° 36° -35° (1961) 70° (1932) 2.49" 11.3"
March 21° 44° -20° (1960) 82° (1945) 3.27" 7.3"
April 31° 58° 3° (1982) 89° (1929) 3.5" 1.4"
May 41° 68° 17° (1947) 94° (1996) 4.53" 0"
June 50° 76° 27° (1988) 98° (1952) 4.65" 0"
July 54° 80° 34° (1988) 101° (1936) 4.83" 0"
August 53° 79° 26° (1982) 99° (1930) 3.93" 0"
September 46° 72° 22° (1957) 98° (1953) 3.81" 0"
October 36° 60° 11° (1952) 91° (1927) 3.36" 0.3"
November 29° 48° -10° (1930) 80° (1950) 3.68" 2.9"
December 20° 36° -24° (1960) 73° (1982) 3.13" 12.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 25° 41° -10° (1936) 68° (1934) 0.11" 0.3"
Dec 2 24° 41° -10° (1936) 65° (1962) 0.11" 0.3"
Dec 3 24° 40° -16° (1976) 68° (1982) 0.11" 0.3"
Dec 4 24° 40° -16° (1976) 73° (1982) 0.11" 0.3"
Dec 5 23° 39° -8° (1957) 66° (1941) 0.11" 0.3"
Dec 6 23° 39° -8° (1954) 70° (1982) 0.11" 0.4"
Dec 7 23° 39° -2° (1954) 68° (1998) 0.1" 0.3"
Dec 8 22° 38° 1° (1931) 60° (1951) 0.11" 0.4"
Dec 9 22° 38° -3° (1960) 64° (1966) 0.11" 0.4"
Dec 10 22° 37° -9° (1968) 62° (1966) 0.11" 0.4"
Dec 11 21° 37° -21° (1958) 62° (1966) 0.11" 0.3"
Dec 12 21° 37° -15° (1962) 62° (2007) 0.11" 0.4"
Dec 13 21° 36° -24° (1960) 60° (1927) 0.1" 0.5"
Dec 14 20° 36° -14° (1958) 61° (1927) 0.1" 0.4"
Dec 15 20° 36° -18° (1943) 59° (1975) 0.1" 0.4"
Dec 16 20° 36° -19° (1943) 64° (1971) 0.1" 0.5"
Dec 17 19° 35° -22° (1951) 61° (1984) 0.09" 0.4"
Dec 18 19° 35° -12° (1989) 61° (1984) 0.1" 0.4"
Dec 19 19° 35° -12° (1989) 55° (1967) 0.09" 0.5"
Dec 20 18° 35° -11° (1960) 56° (1957) 0.09" 0.4"
Dec 21 18° 34° -19° (1942) 61° (1939) 0.09" 0.4"
Dec 22 18° 34° -21° (1944) 66° (1949) 0.1" 0.4"
Dec 23 17° 34° -22° (1945) 60° (1990) 0.1" 0.5"
Dec 24 17° 34° -22° (1960) 57° (1931) 0.1" 0.4"
Dec 25 17° 34° -16° (1983) 62° (1982) 0.1" 0.5"
Dec 26 17° 33° -16° (1983) 65° (1982) 0.09" 0.4"
Dec 27 16° 33° -21° (1950) 56° (1964) 0.1" 0.4"
Dec 28 16° 33° -21° (1950) 62° (2008) 0.09" 0.5"
Dec 29 16° 33° -13° (1935) 67° (1982) 0.09" 0.4"
Dec 30 16° 33° -12° (1933) 61° (1984) 0.1" 0.5"
Dec 31 16° 33° -15° (1963) 61° (1990) 0.09" 0.4"
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