April weather in Waterloo, IL
The average temperature in Waterloo in April is °F (°F–°F). Average precipitation: 5.01 inches. Average snowfall is 0.3 inches.
April is a spring month in Waterloo, and is cooler than the annual average of 0°F. Expect about 11 days with precipitation. Daylight averages about 13h 0m.
Avg High
°F
Avg Low
°F
Precipitation
5.01 in
Snow
0.3 in
April records in Waterloo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 91.0°F (1946) | 28.0°F (1964) | 1.97 in (1927) |
| April 2 | 84.9°F (1946) | 24.1°F (1961) | 0.96 in (1983) |
| April 3 | 84.0°F (1981) | 21.9°F (1987) | 1.32 in (1982) |
| April 4 | 84.0°F (1986) | 23.0°F (1987) | 2.58 in (1950) |
| April 5 | 87.1°F (1967) | 28.0°F (1975) | 2.75 in (2025) |
| April 6 | 91.0°F (1988) | 21.9°F (1982) | 1.35 in (1999) |
| April 7 | 82.9°F (1948) | 25.0°F (1982) | 1.35 in (1926) |
| April 8 | 84.9°F (1986) | 23.0°F (1972) | 1.67 in (1913) |
| April 9 | 87.1°F (1967) | 23.0°F (1997) | 1.34 in (1924) |
| April 10 | 84.0°F (1978) | 21.0°F (1996) | 2.02 in (1994) |
| April 11 | 88.0°F (1981) | 21.9°F (1973) | 2.07 in (1979) |
| April 12 | 86.0°F (1971) | 26.1°F (1990) | 1.43 in (1994) |
| April 13 | 87.1°F (1972) | 28.9°F (1973) | 1.95 in (1923) |
| April 14 | 84.0°F (1981) | 32.0°F (1980) | 1.92 in (1922) |
| April 15 | 84.0°F (1967) | 28.9°F (1962) | 1.85 in (1933) |
| April 16 | 87.1°F (1977) | 30.0°F (1961) | 2.18 in (1972) |
| April 17 | 89.1°F (1977) | 28.9°F (1983) | 2.68 in (1918) |
| April 18 | 88.0°F (1977) | 30.0°F (1983) | 1.46 in (1992) |
| April 19 | 87.1°F (1985) | 30.0°F (1983) | 1.90 in (1970) |
| April 20 | 86.0°F (1971) | 27.0°F (1983) | 1.49 in (1972) |
| April 21 | 90.0°F (1965) | 30.9°F (1982) | 1.26 in (1984) |
| April 22 | 91.9°F (1963) | 30.0°F (1986) | 2.08 in (1996) |
| April 23 | 91.0°F (1965) | 36.0°F (1986) | 1.04 in (1975) |
| April 24 | 89.1°F (1965) | 30.9°F (1967) | 1.55 in (1979) |
| April 25 | 89.1°F (1989) | 32.0°F (1968) | 1.83 in (1947) |
| April 26 | 93.0°F (1989) | 30.9°F (1976) | 2.96 in (1912) |
| April 27 | 93.0°F (1989) | 33.1°F (1967) | 1.87 in (2024) |
| April 28 | 91.9°F (1989) | 34.0°F (1992) | 1.83 in (1917) |
| April 29 | 87.1°F (1981) | 32.0°F (1976) | 6.79 in (1996) |
| April 30 | 91.0°F (1987) | 37.0°F (1969) | 2.05 in (1994) |