April weather in Castalia, OH
The average temperature in Castalia in April is 49.3°F (41.3°F–57.3°F). Average precipitation: 3.76 inches.
April is a spring month in Castalia, and is cooler than the annual average of 52°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 7m. For travel, April is a comfortable month to visit.
Avg High
57.3°F
Avg Low
41.3°F
Precipitation
3.76 in
Daylight
13h 7m
April records in Castalia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 79.0°F (1998) | 19.0°F (1964) | 1.19 in (2024) |
| April 2 | 82.9°F (1963) | 23.0°F (1964) | 1.70 in (2005) |
| April 3 | 80.1°F (1967) | 21.0°F (1954) | 1.45 in (2014) |
| April 4 | 78.1°F (1999) | 19.9°F (1982) | 2.39 in (2003) |
| April 5 | 80.1°F (1947) | 17.1°F (1995) | 0.70 in (1979) |
| April 6 | 82.9°F (2010) | 17.1°F (1995) | 0.92 in (2017) |
| April 7 | 86.0°F (1939) | 19.9°F (1982) | 1.17 in (2020) |
| April 8 | 82.0°F (1991) | 16.0°F (1982) | 1.20 in (1957) |
| April 9 | 80.1°F (2001) | 19.9°F (1972) | 1.06 in (2024) |
| April 10 | 82.9°F (2011) | 21.9°F (1989) | 1.11 in (1998) |
| April 11 | 84.9°F (1945) | 23.0°F (1989) | 1.69 in (2013) |
| April 12 | 82.9°F (1977) | 23.0°F (1940) | 1.60 in (2006) |
| April 13 | 86.0°F (1941) | 21.9°F (1950) | 0.63 in (1952) |
| April 14 | 84.0°F (1941) | 24.1°F (1950) | 2.65 in (1979) |
| April 15 | 82.9°F (2003) | 25.0°F (1943) | 1.22 in (2018) |
| April 16 | 86.0°F (2002) | 25.0°F (2014) | 0.71 in (1947) |
| April 17 | 84.9°F (1976) | 28.0°F (1978) | 1.02 in (1992) |
| April 18 | 84.9°F (1976) | 24.1°F (1967) | 0.86 in (1969) |
| April 19 | 86.0°F (1976) | 28.9°F (1953) | 2.34 in (1969) |
| April 20 | 84.9°F (1985) | 30.9°F (1983) | 1.68 in (1991) |
| April 21 | 84.9°F (1954) | 26.1°F (1983) | 1.95 in (2006) |
| April 22 | 86.0°F (1985) | 30.0°F (1936) | 1.06 in (2009) |
| April 23 | 88.0°F (1985) | 28.9°F (1936) | 1.40 in (1996) |
| April 24 | 88.0°F (1960) | 32.0°F (1989) | 1.75 in (1950) |
| April 25 | 84.9°F (1957) | 30.9°F (1967) | 1.39 in (1961) |
| April 26 | 86.0°F (1962) | 21.0°F (2005) | 1.07 in (2010) |
| April 27 | 87.1°F (1938) | 30.9°F (1993) | 0.85 in (1948) |
| April 28 | 86.0°F (1990) | 30.0°F (1946) | 1.77 in (1959) |
| April 29 | 86.0°F (1986) | 32.0°F (1977) | 1.16 in (2021) |
| April 30 | 90.0°F (1942) | 32.0°F (1958) | 1.28 in (2011) |