Johnstown, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 33° -29° (1994) 67° (2005) 2.53" NA
February 19° 37° -16° (1985) 73° (2000) 2.2" NA
March 28° 48° -11° (1960) 82° (1986) 3.04" NA
April 38° 60° 5° (1964) 86° (1994) 3.74" NA
May 48° 71° 20° (1966) 92° (1964) 4.11" NA
June 57° 79° 32° (1972) 99° (1988) 4.53" NA
July 61° 83° 40° (1963) 100° (1954) 4.5" NA
August 59° 81° 36° (1965) 98° (1953) 3.84" NA
September 52° 74° 28° (1959) 97° (1954) 3.3" NA
October 40° 63° 18° (1962) 88° (2007) 2.78" NA
November 32° 49° -10° (1958) 78° (1987) 3.56" NA
December 22° 38° -23° (1989) 70° (1998) 3.08" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 43° 66° 27° (1963) 86° (1951) 0.13" NA
May 2 43° 66° 28° (1961) 86° (2007) 0.13" NA
May 3 44° 66° 28° (1986) 85° (1955) 0.13" NA
May 4 44° 67° 28° (2005) 87° (1955) 0.13" NA
May 5 45° 67° 31° (1954) 85° (1959) 0.13" NA
May 6 45° 67° 29° (1957) 91° (1959) 0.13" NA
May 7 45° 68° 25° (1974) 85° (2004) 0.13" NA
May 8 46° 68° 28° (1954) 85° (2000) 0.13" NA
May 9 46° 68° 27° (1983) 86° (1963) 0.13" NA
May 10 46° 69° 20° (1966) 86° (1979) 0.13" NA
May 11 47° 69° 29° (1983) 87° (1993) 0.13" NA
May 12 47° 69° 33° (1963) 85° (1979) 0.13" NA
May 13 47° 70° 30° (1996) 86° (1999) 0.13" NA
May 14 48° 70° 32° (1996) 90° (1962) 0.13" NA
May 15 48° 70° 35° (1964) 90° (1962) 0.13" NA
May 16 48° 71° 28° (1959) 89° (1962) 0.13" NA
May 17 49° 71° 32° (1984) 90° (1962) 0.13" NA
May 18 49° 71° 33° (1955) 91° (1962) 0.13" NA
May 19 49° 72° 32° (2002) 92° (1964) 0.13" NA
May 20 50° 72° 35° (1956) 89° (1996) 0.13" NA
May 21 50° 72° 35° (1954) 87° (1996) 0.13" NA
May 22 50° 73° 31° (2002) 85° (1965) 0.13" NA
May 23 51° 73° 30° (1963) 86° (1991) 0.13" NA
May 24 51° 73° 32° (1963) 87° (1991) 0.14" NA
May 25 51° 74° 35° (1956) 86° (1953) 0.14" NA
May 26 52° 74° 36° (1969) 89° (1975) 0.14" NA
May 27 52° 74° 33° (1961) 85° (1955) 0.14" NA
May 28 52° 74° 39° (1971) 85° (1978) 0.14" NA
May 29 53° 75° 34° (1965) 88° (1959) 0.14" NA
May 30 53° 75° 34° (1961) 88° (1991) 0.14" NA
May 31 53° 75° 37° (1984) 89° (1988) 0.14" NA
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