Castalia, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 32° -20° (1994) 73° (1950) 1.87" 8"
February 21° 35° -7° (1982) 73° (2000) 1.72" 7"
March 30° 44° -7° (1978) 84° (1938) 2.51" 3.6"
April 40° 56° 16° (1982) 90° (1942) 3.03" 0.6"
May 51° 67° 30° (1966) 93° (1977) 3.42" 0"
June 61° 77° 38° (1969) 103° (1988) 4.19" 0"
July 66° 82° 41° (1970) 105° (1936) 3.34" 0"
August 64° 80° 45° (1946) 102° (1936) 3.65" 0"
September 57° 73° 34° (1956) 99° (1953) 3.16" 0"
October 46° 62° 24° (1988) 93° (1953) 2.3" 0"
November 36° 49° 3° (1958) 82° (1950) 2.73" 0.3"
December 25° 37° -16° (1989) 73° (1982) 2.54" 5.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 45° 62° 34° (1943) 89° (1942) 0.1" NA
May 2 46° 62° 34° (1978) 87° (1959) 0.1" NA
May 3 46° 63° 35° (1940) 88° (1955) 0.1" NA
May 4 47° 63° 34° (1954) 89° (1955) 0.1" NA
May 5 47° 63° 36° (1976) 92° (1949) 0.1" NA
May 6 48° 64° 34° (1968) 92° (1959) 0.1" NA
May 7 48° 64° 32° (1989) 89° (1936) 0.1" NA
May 8 48° 64° 34° (1947) 89° (1936) 0.1" NA
May 9 49° 65° 34° (1947) 92° (1963) 0.1" NA
May 10 49° 65° 30° (1966) 89° (1979) 0.1" NA
May 11 49° 66° 31° (1969) 89° (1987) 0.1" NA
May 12 50° 66° 36° (1938) 89° (1979) 0.11" NA
May 13 50° 66° 35° (1996) 88° (1956) 0.11" NA
May 14 51° 67° 37° (1943) 91° (1962) 0.11" NA
May 15 51° 67° 38° (1959) 91° (1962) 0.11" NA
May 16 51° 67° 35° (1959) 89° (1962) 0.11" NA
May 17 52° 68° 40° (1983) 91° (1991) 0.11" NA
May 18 52° 68° 39° (2002) 92° (1962) 0.11" NA
May 19 53° 69° 37° (2002) 89° (1998) 0.11" NA
May 20 53° 69° 38° (1981) 93° (1962) 0.11" NA
May 21 53° 69° 41° (1997) 93° (1941) 0.11" NA
May 22 54° 70° 40° (1978) 93° (1977) 0.11" NA
May 23 54° 70° 41° (1963) 90° (1936) 0.12" NA
May 24 54° 70° 38° (1963) 89° (1964) 0.12" NA
May 25 55° 71° 40° (1956) 89° (2007) 0.12" NA
May 26 55° 71° 42° (1961) 93° (1944) 0.12" NA
May 27 55° 71° 42° (1947) 90° (1941) 0.12" NA
May 28 56° 72° 42° (1949) 93° (1941) 0.12" NA
May 29 56° 72° 42° (1947) 92° (1942) 0.13" NA
May 30 56° 72° 38° (1947) 93° (1942) 0.13" NA
May 31 57° 73° 43° (1996) 93° (1937) 0.13" NA
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