April weather in Wilmington, IL
The average temperature in Wilmington in April is 53.0°F (41.9°F–64.1°F). Average precipitation: 4.41 inches. Average snowfall is 0.4 inches.
April is a spring month in Wilmington, and is warmer than the annual average of 52.9°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 3m. For travel, April is a comfortable month to visit.
Avg High
64.1°F
Avg Low
41.9°F
Precipitation
4.41 in
Snow
0.4 in
April records in Wilmington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 84.9°F (1946) | 18.0°F (1926) | 1.80 in (1897) |
| April 2 | 87.1°F (1903) | 19.9°F (2018) | 2.20 in (2024) |
| April 3 | 88.0°F (2012) | 18.0°F (1936) | 1.32 in (2014) |
| April 4 | 89.1°F (1929) | 21.9°F (1899) | 1.22 in (1927) |
| April 5 | 86.0°F (1929) | 10.9°F (1920) | 1.94 in (1928) |
| April 6 | 86.0°F (1988) | 21.0°F (1982) | 1.89 in (1926) |
| April 7 | 86.0°F (1948) | 19.9°F (2018) | 1.60 in (1942) |
| April 8 | 84.9°F (1948) | 19.9°F (2018) | 1.43 in (1922) |
| April 9 | 87.1°F (1905) | 19.9°F (1914) | 0.88 in (1983) |
| April 10 | 93.0°F (1930) | 21.0°F (1973) | 1.45 in (1922) |
| April 11 | 91.9°F (1930) | 23.0°F (1973) | 2.50 in (1979) |
| April 12 | 89.1°F (1930) | 21.9°F (1939) | 2.07 in (1994) |
| April 13 | 87.1°F (1941) | 21.9°F (1907) | 1.10 in (1906) |
| April 14 | 84.9°F (1936) | 24.1°F (1907) | 2.35 in (1987) |
| April 15 | 88.0°F (2026) | 24.1°F (1928) | 1.39 in (1939) |
| April 16 | 88.0°F (1977) | 27.0°F (1961) | 2.33 in (1960) |
| April 17 | 89.1°F (2002) | 25.0°F (1907) | 1.50 in (1918) |
| April 18 | 87.1°F (2004) | 27.0°F (1988) | 2.17 in (1969) |
| April 19 | 91.0°F (2002) | 25.0°F (1926) | 2.03 in (1941) |
| April 20 | 87.1°F (1936) | 26.1°F (2019) | 2.40 in (1966) |
| April 21 | 87.1°F (1902) | 28.0°F (1904) | 2.05 in (1984) |
| April 22 | 91.9°F (1925) | 27.0°F (1927) | 2.28 in (1944) |
| April 23 | 90.0°F (1925) | 26.1°F (1956) | 1.40 in (1907) |
| April 24 | 90.0°F (1925) | 24.1°F (1910) | 2.30 in (1904) |
| April 25 | 88.0°F (1906) | 27.0°F (1934) | 1.81 in (1961) |
| April 26 | 91.9°F (1986) | 26.1°F (1919) | 2.25 in (1904) |
| April 27 | 89.1°F (1986) | 30.0°F (1932) | 1.25 in (1917) |
| April 28 | 88.0°F (1970) | 30.0°F (1988) | 2.31 in (2009) |
| April 29 | 90.0°F (1910) | 30.0°F (2008) | 2.25 in (1996) |
| April 30 | 89.1°F (1987) | 30.9°F (2008) | 4.00 in (2017) |