Portsmouth, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 39° -29° (1994) 79° (1950) 3.2" 6.5"
February 23° 44° -8° (1985) 79° (1945) 2.92" 5.7"
March 31° 55° 0° (1980) 89° (1945) 3.66" 1.9"
April 41° 66° 12° (1982) 99° (2002) 3.35" 0.3"
May 51° 75° 28° (1986) 97° (1941) 4.33" 0"
June 60° 82° 38° (1988) 102° (1954) 3.88" 0"
July 64° 86° 40° (1988) 105° (1954) 4.12" 0"
August 62° 85° 35° (1986) 104° (1988) 4.07" 0"
September 54° 78° 31° (1989) 103° (1954) 3.06" 0"
October 41° 68° 21° (1962) 94° (1953) 2.54" 0"
November 33° 55° 2° (1950) 85° (1938) 3" 0.7"
December 25° 44° -18° (1989) 76° (1971) 3.32" 2.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 29° 49° 12° (1955) 75° (1998) 0.1" NA
Dec 2 29° 49° 14° (1942) 72° (1970) 0.1" NA
Dec 3 29° 48° 9° (1976) 74° (1982) 0.11" NA
Dec 4 28° 48° 9° (1985) 75° (1982) 0.11" NA
Dec 5 28° 47° 15° (1991) 72° (1998) 0.11" NA
Dec 6 28° 47° 15° (2007) 74° (2001) 0.11" NA
Dec 7 28° 47° 3° (1977) 75° (1998) 0.11" NA
Dec 8 27° 46° 8° (1984) 72° (2004) 0.11" NA
Dec 9 27° 46° 10° (1937) 73° (1966) 0.11" NA
Dec 10 27° 46° 3° (1958) 70° (1952) 0.11" NA
Dec 11 27° 46° 8° (1977) 76° (1971) 0.11" NA
Dec 12 26° 45° -2° (1962) 70° (1979) 0.11" NA
Dec 13 26° 45° -5° (1962) 67° (1948) 0.11" NA
Dec 14 26° 45° 3° (1962) 65° (1975) 0.11" NA
Dec 15 26° 44° 4° (1943) 70° (1971) 0.11" NA
Dec 16 25° 44° -4° (1989) 72° (1971) 0.11" NA
Dec 17 25° 44° -8° (1989) 65° (1984) 0.11" NA
Dec 18 25° 43° -8° (1989) 68° (1984) 0.11" NA
Dec 19 25° 43° -4° (1985) 69° (1967) 0.11" NA
Dec 20 24° 43° -2° (1985) 68° (1949) 0.11" NA
Dec 21 24° 43° -3° (1942) 70° (1949) 0.11" NA
Dec 22 24° 42° -17° (1989) 71° (1967) 0.11" NA
Dec 23 24° 42° -18° (1989) 62° (1941) 0.11" NA
Dec 24 23° 42° -15° (1989) 67° (1970) 0.11" NA
Dec 25 23° 42° -9° (1983) 71° (1938) 0.1" NA
Dec 26 23° 42° -4° (1985) 71° (1982) 0.1" NA
Dec 27 23° 41° -2° (1989) 68° (1936) 0.1" NA
Dec 28 22° 41° 9° (1977) 68° (1959) 0.1" NA
Dec 29 22° 41° 4° (1961) 70° (1984) 0.1" NA
Dec 30 22° 41° -1° (1983) 72° (1984) 0.1" NA
Dec 31 22° 41° -1° (1983) 71° (1951) 0.1" NA
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