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
May 1 46° 70° 33° (1963) 91° (1942) 0.13" NA
May 2 47° 71° 32° (1963) 90° (1938) 0.13" NA
May 3 47° 71° 30° (1986) 92° (1938) 0.13" NA
May 4 47° 71° 28° (1986) 94° (1949) 0.13" NA
May 5 48° 72° 33° (1957) 94° (1949) 0.13" NA
May 6 48° 72° 33° (1968) 93° (1949) 0.14" NA
May 7 48° 72° 33° (1974) 93° (1940) 0.14" NA
May 8 49° 72° 32° (1989) 94° (1936) 0.14" NA
May 9 49° 73° 32° (1947) 96° (1936) 0.14" NA
May 10 49° 73° 29° (1966) 97° (1936) 0.14" NA
May 11 50° 73° 34° (1945) 96° (1936) 0.14" NA
May 12 50° 74° 31° (1938) 91° (1944) 0.14" NA
May 13 50° 74° 33° (1996) 91° (1982) 0.14" NA
May 14 51° 74° 33° (1996) 91° (1982) 0.14" NA
May 15 51° 74° 36° (1984) 93° (1962) 0.14" NA
May 16 51° 75° 34° (1984) 93° (1962) 0.14" NA
May 17 52° 75° 34° (1984) 94° (1962) 0.14" NA
May 18 52° 75° 36° (1973) 95° (1962) 0.14" NA
May 19 52° 75° 35° (2002) 95° (1962) 0.15" NA
May 20 53° 76° 40° (1937) 93° (1964) 0.15" NA
May 21 53° 76° 39° (1954) 92° (1944) 0.15" NA
May 22 53° 76° 31° (2002) 97° (1941) 0.15" NA
May 23 54° 77° 37° (1963) 93° (1939) 0.14" NA
May 24 54° 77° 39° (1956) 92° (1936) 0.14" NA
May 25 54° 77° 41° (1941) 94° (1939) 0.14" NA
May 26 55° 77° 38° (1988) 93° (1939) 0.14" NA
May 27 55° 78° 34° (1961) 94° (1937) 0.14" NA
May 28 55° 78° 39° (1971) 95° (1941) 0.14" NA
May 29 55° 78° 41° (1949) 94° (1954) 0.14" NA
May 30 56° 78° 39° (1984) 93° (1937) 0.14" NA
May 31 56° 79° 40° (1984) 95° (1937) 0.14" NA
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