April weather in Greendale, WI
The average temperature in Greendale in April is 45.2°F (34.5°F–56.0°F). Average precipitation: 4.10 inches.
April is a spring month in Greendale, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 21.5°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
56.0°F
Avg Low
34.5°F
Precipitation
4.10 in
Daylight
13h 11m
April records in Greendale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 78.1°F (2010) | 12.9°F (2021) | 0.90 in (2016) |
| April 2 | 84.9°F (2010) | 12.0°F (2018) | 0.72 in (2024) |
| April 3 | 81.0°F (2010) | 19.0°F (2018) | 1.77 in (2006) |
| April 4 | 70.0°F (2016) | 17.1°F (2018) | 0.68 in (2017) |
| April 5 | 73.9°F (2010) | 12.9°F (2018) | 2.57 in (2023) |
| April 6 | 75.0°F (2005) | 18.0°F (2007) | 0.82 in (2022) |
| April 7 | 75.0°F (2005) | 12.0°F (2018) | 2.26 in (2010) |
| April 8 | 79.0°F (2021) | 15.1°F (2018) | 0.39 in (2010) |
| April 9 | 72.0°F (2019) | 15.1°F (2018) | 1.19 in (2008) |
| April 10 | 75.9°F (2017) | 19.0°F (2007) | 2.13 in (2013) |
| April 11 | 82.9°F (2011) | 21.0°F (2012) | 1.70 in (2008) |
| April 12 | 77.0°F (2023) | 21.9°F (2012) | 1.78 in (2007) |
| April 13 | 82.0°F (2023) | 24.1°F (2012) | 0.78 in (2014) |
| April 14 | 79.0°F (2023) | 21.0°F (2020) | 1.12 in (2014) |
| April 15 | 84.0°F (2006) | 16.0°F (2020) | 1.25 in (2018) |
| April 16 | 82.0°F (2010) | 17.1°F (2020) | 0.91 in (2011) |
| April 17 | 75.9°F (2008) | 21.0°F (2018) | 0.37 in (2024) |
| April 18 | 78.1°F (2015) | 25.0°F (2018) | 2.81 in (2013) |
| April 19 | 82.9°F (2016) | 21.9°F (2018) | 0.79 in (2025) |
| April 20 | 81.0°F (2005) | 23.0°F (2021) | 1.13 in (2009) |
| April 21 | 79.0°F (2014) | 19.9°F (2021) | 0.45 in (2025) |
| April 22 | 77.0°F (2019) | 18.0°F (2021) | 0.11 in (2009) |
| April 23 | 82.9°F (2007) | 25.0°F (2021) | 1.10 in (2022) |
| April 24 | 82.0°F (2022) | 25.0°F (2015) | 0.45 in (2013) |
| April 25 | 84.0°F (2009) | 27.0°F (2021) | 1.20 in (2010) |
| April 26 | 80.1°F (2016) | 25.0°F (2018) | 1.59 in (2009) |
| April 27 | 72.0°F (2017) | 21.9°F (2012) | 1.23 in (2017) |
| April 28 | 75.9°F (2021) | 19.9°F (2019) | 0.85 in (2024) |
| April 29 | 82.9°F (2025) | 21.0°F (2018) | 1.67 in (2020) |
| April 30 | 84.0°F (2007) | 24.1°F (2008) | 1.62 in (2020) |