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
Jan 1 22° 40° 5° (1968) 77° (1952) 0.11" NA
Jan 2 21° 40° 5° (1945) 68° (1985) 0.11" NA
Jan 3 21° 40° 4° (1979) 70° (2000) 0.11" NA
Jan 4 21° 40° 3° (1981) 70° (1950) 0.11" NA
Jan 5 21° 40° -4° (1981) 69° (1993) 0.11" NA
Jan 6 21° 40° -4° (1988) 73° (1946) 0.11" NA
Jan 7 20° 40° 4° (1988) 70° (1937) 0.11" NA
Jan 8 20° 40° -20° (1977) 75° (1937) 0.11" NA
Jan 9 20° 39° -1° (1986) 69° (1998) 0.11" NA
Jan 10 20° 39° -8° (1982) 63° (1939) 0.11" NA
Jan 11 20° 39° -8° (1982) 65° (1975) 0.1" NA
Jan 12 20° 39° -4° (1982) 66° (1963) 0.1" NA
Jan 13 20° 39° -9° (1977) 72° (1950) 0.1" NA
Jan 14 20° 39° -6° (1977) 71° (1972) 0.1" NA
Jan 15 20° 39° 1° (1972) 70° (1950) 0.1" NA
Jan 16 20° 39° -9° (1972) 68° (1950) 0.1" NA
Jan 17 20° 39° -18° (1982) 63° (1974) 0.1" NA
Jan 18 19° 39° -11° (1977) 71° (1949) 0.1" NA
Jan 19 19° 39° -29° (1994) 70° (1974) 0.1" NA
Jan 20 19° 39° -25° (1994) 67° (1951) 0.1" NA
Jan 21 19° 39° -16° (1984) 69° (1951) 0.1" NA
Jan 22 20° 39° -8° (1984) 70° (1959) 0.1" NA
Jan 23 20° 39° -13° (1936) 74° (1999) 0.1" NA
Jan 24 20° 39° -15° (1963) 76° (1943) 0.1" NA
Jan 25 20° 40° -5° (1948) 79° (1950) 0.1" NA
Jan 26 20° 40° -5° (1936) 74° (1950) 0.1" NA
Jan 27 20° 40° -6° (1936) 72° (1967) 0.1" NA
Jan 28 20° 40° -10° (1963) 66° (1999) 0.1" NA
Jan 29 20° 40° -6° (1963) 73° (1947) 0.1" NA
Jan 30 20° 40° -7° (1977) 71° (1975) 0.1" NA
Jan 31 20° 40° -3° (2004) 68° (1974) 0.1" NA
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