April weather in Waukesha, WI
The average temperature in Waukesha in April is 45.1°F (34.8°F–55.3°F). Average precipitation: 3.65 inches. Average snowfall is 1.1 inches.
April is a spring month in Waukesha, and is cooler than the annual average of 46.6°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 11m. For travel, April is cool.
Avg High
55.3°F
Avg Low
34.8°F
Precipitation
3.65 in
Snow
1.1 in
April records in Waukesha
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.0°F (1986) | 12.9°F (1923) | 0.55 in (1927) |
| April 2 | 82.0°F (2010) | 12.0°F (1896) | 1.20 in (1983) |
| April 3 | 79.0°F (1956) | 10.9°F (1954) | 1.66 in (2024) |
| April 4 | 75.9°F (1921) | 14.0°F (1936) | 0.80 in (1929) |
| April 5 | 78.1°F (1929) | 15.1°F (1979) | 1.05 in (1958) |
| April 6 | 82.0°F (1929) | 12.9°F (1982) | 1.26 in (1964) |
| April 7 | 78.1°F (1929) | 7.0°F (1982) | 1.70 in (1929) |
| April 8 | 80.1°F (2001) | 14.0°F (1914) | 0.70 in (1962) |
| April 9 | 75.9°F (1945) | 12.9°F (2003) | 1.45 in (2002) |
| April 10 | 89.1°F (1930) | 14.0°F (2003) | 1.95 in (2013) |
| April 11 | 82.9°F (1977) | 16.0°F (1973) | 1.47 in (2008) |
| April 12 | 82.0°F (1977) | 14.0°F (1939) | 1.51 in (2001) |
| April 13 | 79.0°F (1938) | 17.1°F (1950) | 0.84 in (1970) |
| April 14 | 80.1°F (1941) | 21.0°F (1950) | 1.95 in (1974) |
| April 15 | 84.0°F (2003) | 17.1°F (1935) | 2.50 in (1976) |
| April 16 | 87.1°F (2002) | 17.1°F (1904) | 1.35 in (1921) |
| April 17 | 87.1°F (2002) | 21.9°F (1983) | 1.16 in (1900) |
| April 18 | 86.0°F (1985) | 21.0°F (1983) | 2.00 in (2013) |
| April 19 | 88.0°F (2002) | 19.9°F (1983) | 1.37 in (2025) |
| April 20 | 84.0°F (1985) | 21.0°F (1904) | 2.30 in (1993) |
| April 21 | 88.0°F (1987) | 24.1°F (1904) | 3.37 in (1973) |
| April 22 | 91.0°F (1980) | 23.0°F (1986) | 1.12 in (1987) |
| April 23 | 84.9°F (1915) | 16.0°F (1910) | 2.12 in (1999) |
| April 24 | 84.9°F (1915) | 25.0°F (1930) | 1.87 in (1955) |
| April 25 | 84.9°F (1915) | 24.1°F (1918) | 1.33 in (1951) |
| April 26 | 84.9°F (1899) | 19.9°F (1928) | 1.83 in (2009) |
| April 27 | 86.0°F (1986) | 25.0°F (1946) | 2.17 in (1956) |
| April 28 | 84.9°F (1915) | 28.0°F (1944) | 1.94 in (1975) |
| April 29 | 88.0°F (1899) | 27.0°F (1958) | 1.98 in (1909) |
| April 30 | 89.1°F (1942) | 26.1°F (1907) | 1.10 in (1997) |