April weather in Algonquin, IL
The average temperature in Algonquin in April is 47.9°F (37.0°F–58.7°F). Average precipitation: 3.96 inches. Average snowfall is 0.8 inches.
April is a spring month in Algonquin, and is cooler than the annual average of 49°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 9m. For travel, April is cool.
Avg High
58.7°F
Avg Low
37.0°F
Precipitation
3.96 in
Snow
0.8 in
April records in Algonquin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.9°F (1986) | 17.1°F (1923) | 2.31 in (1967) |
| April 2 | 81.0°F (2003) | 10.9°F (1987) | 1.75 in (1983) |
| April 3 | 79.0°F (2010) | 18.0°F (1987) | 1.40 in (2026) |
| April 4 | 78.1°F (1921) | 17.1°F (1982) | 1.68 in (1913) |
| April 5 | 79.0°F (1921) | 16.0°F (1995) | 2.47 in (1947) |
| April 6 | 82.0°F (1991) | 10.9°F (1979) | 1.13 in (1988) |
| April 7 | 82.9°F (1991) | 10.9°F (1982) | 0.94 in (1926) |
| April 8 | 81.0°F (2001) | 16.0°F (1914) | 1.05 in (1998) |
| April 9 | 77.0°F (2001) | 18.0°F (2018) | 1.40 in (1983) |
| April 10 | 75.0°F (2017) | 19.0°F (1989) | 1.22 in (2015) |
| April 11 | 82.0°F (1977) | 21.9°F (1989) | 2.09 in (1922) |
| April 12 | 82.0°F (1977) | 24.1°F (1976) | 1.23 in (1979) |
| April 13 | 82.0°F (1977) | 24.1°F (1917) | 1.31 in (1945) |
| April 14 | 82.0°F (2023) | 19.9°F (1907) | 1.86 in (1937) |
| April 15 | 84.0°F (2003) | 21.9°F (1926) | 2.27 in (2026) |
| April 16 | 87.1°F (2002) | 21.9°F (1926) | 2.42 in (1930) |
| April 17 | 87.1°F (2002) | 24.1°F (1983) | 1.97 in (1960) |
| April 18 | 86.0°F (1977) | 23.0°F (1983) | 3.44 in (2013) |
| April 19 | 89.1°F (2002) | 19.9°F (1983) | 1.46 in (1925) |
| April 20 | 84.0°F (1985) | 24.1°F (2026) | 1.60 in (2009) |
| April 21 | 84.9°F (1987) | 28.0°F (1907) | 1.18 in (2000) |
| April 22 | 84.9°F (1985) | 24.1°F (1986) | 2.65 in (1973) |
| April 23 | 89.1°F (1980) | 28.9°F (1986) | 1.80 in (1999) |
| April 24 | 86.0°F (1925) | 27.0°F (2015) | 1.69 in (1950) |
| April 25 | 86.0°F (1915) | 27.0°F (1919) | 2.11 in (1954) |
| April 26 | 87.1°F (1915) | 27.0°F (1907) | 1.61 in (1979) |
| April 27 | 91.0°F (1986) | 28.0°F (2023) | 2.14 in (1995) |
| April 28 | 87.1°F (1915) | 28.0°F (1992) | 1.91 in (1975) |
| April 29 | 90.0°F (1899) | 28.0°F (1977) | 2.00 in (1974) |
| April 30 | 87.1°F (1926) | 28.9°F (2008) | 2.00 in (2020) |