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
Sep 1 59° 82° 39° (1987) 99° (1953) 0.12" NA
Sep 2 59° 82° 37° (1987) 100° (1953) 0.12" NA
Sep 3 58° 82° 44° (1952) 101° (1953) 0.12" NA
Sep 4 58° 82° 43° (1987) 98° (1973) 0.11" NA
Sep 5 58° 81° 45° (1982) 97° (1953) 0.11" NA
Sep 6 58° 81° 41° (1984) 101° (1954) 0.11" NA
Sep 7 57° 81° 39° (1988) 103° (1954) 0.11" NA
Sep 8 57° 81° 36° (1986) 101° (1939) 0.11" NA
Sep 9 57° 80° 34° (1986) 101° (1939) 0.11" NA
Sep 10 57° 80° 40° (1981) 96° (2002) 0.11" NA
Sep 11 56° 80° 41° (1980) 98° (1983) 0.11" NA
Sep 12 56° 80° 40° (1985) 100° (1983) 0.11" NA
Sep 13 56° 79° 38° (1985) 100° (1939) 0.1" NA
Sep 14 55° 79° 33° (1985) 102° (1939) 0.1" NA
Sep 15 55° 79° 32° (1985) 98° (1939) 0.1" NA
Sep 16 54° 78° 34° (1985) 98° (1939) 0.1" NA
Sep 17 54° 78° 34° (1986) 93° (1948) 0.1" NA
Sep 18 54° 78° 37° (1937) 93° (1955) 0.1" NA
Sep 19 53° 77° 39° (1981) 93° (1983) 0.1" NA
Sep 20 53° 77° 36° (1937) 95° (1940) 0.1" NA
Sep 21 53° 77° 36° (1956) 96° (1940) 0.1" NA
Sep 22 52° 76° 33° (1983) 97° (1936) 0.09" NA
Sep 23 52° 76° 34° (1995) 93° (1936) 0.09" NA
Sep 24 51° 76° 31° (1989) 93° (1941) 0.09" NA
Sep 25 51° 75° 31° (1985) 95° (2007) 0.09" NA
Sep 26 50° 75° 31° (1987) 94° (2007) 0.09" NA
Sep 27 50° 75° 35° (1987) 91° (1939) 0.09" NA
Sep 28 49° 74° 34° (1942) 95° (1939) 0.09" NA
Sep 29 49° 74° 31° (1942) 90° (1939) 0.09" NA
Sep 30 48° 74° 36° (1942) 98° (1953) 0.09" NA
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