April weather in Bethalto, IL
The average temperature in Bethalto in April is 55.6°F (45.2°F–66.1°F). Average precipitation: 4.92 inches.
April is a spring month in Bethalto, and is cooler than the annual average of 55.7°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 2m. For travel, April is a comfortable month to visit.
Avg High
66.1°F
Avg Low
45.2°F
Precipitation
4.92 in
Daylight
13h 2m
April records in Bethalto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 93.0°F (1946) | 25.0°F (1954) | 1.67 in (1952) |
| April 2 | 91.9°F (1946) | 24.1°F (2018) | 2.50 in (2024) |
| April 3 | 96.1°F (1946) | 24.1°F (2018) | 1.25 in (2014) |
| April 4 | 88.0°F (2011) | 25.0°F (1975) | 2.10 in (1984) |
| April 5 | 89.1°F (1946) | 19.9°F (1947) | 3.52 in (2025) |
| April 6 | 89.1°F (1988) | 19.9°F (1982) | 1.32 in (2017) |
| April 7 | 86.0°F (1948) | 24.1°F (1982) | 0.74 in (2003) |
| April 8 | 84.9°F (1965) | 21.0°F (1972) | 1.04 in (2021) |
| April 9 | 88.0°F (1953) | 23.0°F (1972) | 1.24 in (1969) |
| April 10 | 89.1°F (2001) | 24.1°F (1997) | 1.70 in (2009) |
| April 11 | 84.9°F (1981) | 26.1°F (1973) | 2.92 in (1944) |
| April 12 | 84.0°F (1977) | 24.1°F (1997) | 2.97 in (1979) |
| April 13 | 84.9°F (2026) | 24.1°F (1950) | 1.24 in (1945) |
| April 14 | 87.1°F (1946) | 28.0°F (1950) | 1.51 in (2012) |
| April 15 | 90.0°F (2006) | 28.9°F (1962) | 0.70 in (1944) |
| April 16 | 86.0°F (2002) | 30.9°F (1949) | 1.90 in (2026) |
| April 17 | 87.1°F (1946) | 25.0°F (1953) | 1.48 in (1982) |
| April 18 | 90.0°F (1946) | 28.0°F (1983) | 1.80 in (2019) |
| April 19 | 97.0°F (1946) | 27.0°F (1983) | 2.24 in (1970) |
| April 20 | 88.0°F (1946) | 27.0°F (1983) | 2.49 in (2011) |
| April 21 | 102.0°F (1946) | 32.0°F (1953) | 1.52 in (2002) |
| April 22 | 95.0°F (1946) | 32.0°F (1986) | 1.80 in (1996) |
| April 23 | 89.1°F (1965) | 35.1°F (1951) | 7.70 in (1996) |
| April 24 | 88.0°F (1946) | 32.0°F (1956) | 2.80 in (1975) |
| April 25 | 88.0°F (2009) | 34.0°F (1972) | 1.70 in (2004) |
| April 26 | 90.0°F (1986) | 35.1°F (1976) | 1.50 in (1893) |
| April 27 | 89.1°F (1956) | 34.0°F (1953) | 1.79 in (2016) |
| April 28 | 87.1°F (1951) | 36.0°F (2022) | 1.31 in (1999) |
| April 29 | 91.9°F (1952) | 37.0°F (1958) | 6.14 in (1996) |
| April 30 | 88.0°F (1952) | 37.0°F (2008) | 3.28 in (2017) |