April weather in Cave-In-Rock, IL
The average temperature in Cave-In-Rock in April is 55.1°F (42.6°F–67.6°F). Average precipitation: 5.12 inches.
April is a spring month in Cave-In-Rock, and is warmer than the annual average of 54.8°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 58m. For travel, April is a wet month.
Avg High
67.6°F
Avg Low
42.6°F
Precipitation
5.12 in
Daylight
12h 58m
April records in Cave-In-Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 77.0°F (1981) | 21.9°F (1995) | 1.35 in (2008) |
| April 2 | 84.9°F (2012) | 21.9°F (2021) | 0.98 in (2018) |
| April 3 | 86.0°F (2012) | 16.0°F (1987) | 2.16 in (2025) |
| April 4 | 82.0°F (2007) | 18.0°F (1987) | 3.55 in (2008) |
| April 5 | 84.9°F (1988) | 25.0°F (1994) | 2.83 in (2025) |
| April 6 | 82.0°F (2010) | 25.0°F (1989) | 1.65 in (2025) |
| April 7 | 82.0°F (1991) | 21.9°F (1994) | 0.62 in (1972) |
| April 8 | 84.9°F (1978) | 21.0°F (2007) | 1.72 in (1983) |
| April 9 | 84.9°F (1978) | 21.9°F (1996) | 1.58 in (1969) |
| April 10 | 84.9°F (2011) | 21.9°F (1982) | 2.14 in (1990) |
| April 11 | 86.0°F (1995) | 18.0°F (1989) | 1.22 in (2008) |
| April 12 | 86.0°F (2001) | 21.9°F (1989) | 1.65 in (2011) |
| April 13 | 82.9°F (1977) | 28.9°F (2013) | 1.71 in (2002) |
| April 14 | 84.0°F (2010) | 26.1°F (1997) | 1.70 in (2014) |
| April 15 | 88.0°F (2006) | 21.9°F (1988) | 4.69 in (1972) |
| April 16 | 88.0°F (1992) | 19.9°F (1988) | 1.28 in (1998) |
| April 17 | 86.0°F (1977) | 21.0°F (1988) | 1.24 in (1970) |
| April 18 | 86.0°F (1985) | 25.0°F (2001) | 1.75 in (1973) |
| April 19 | 88.0°F (2002) | 21.0°F (1988) | 2.69 in (1973) |
| April 20 | 89.1°F (1987) | 19.9°F (1988) | 2.69 in (2011) |
| April 21 | 90.0°F (1987) | 28.9°F (2013) | 3.42 in (1995) |
| April 22 | 87.1°F (1980) | 28.0°F (1993) | 1.03 in (2017) |
| April 23 | 87.1°F (1980) | 25.0°F (1986) | 2.44 in (2011) |
| April 24 | 86.0°F (1990) | 26.1°F (1988) | 3.22 in (2011) |
| April 25 | 86.0°F (1986) | 30.0°F (2013) | 2.90 in (2011) |
| April 26 | 89.1°F (1989) | 23.0°F (1988) | 1.25 in (2008) |
| April 27 | 90.0°F (1989) | 32.0°F (1988) | 1.43 in (2017) |
| April 28 | 84.0°F (1970) | 23.0°F (1988) | 1.86 in (1990) |
| April 29 | 86.0°F (1987) | 28.0°F (1988) | 2.68 in (1983) |
| April 30 | 86.0°F (2007) | 26.1°F (1988) | 3.06 in (1983) |