April weather in Merrimac, WI
The average temperature in Merrimac in April is 46.2°F (34.6°F–57.8°F). Average precipitation: 4.03 inches.
April is a spring month in Merrimac, and is cooler than the annual average of 47.1°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 12m. For travel, April is cool.
Avg High
57.8°F
Avg Low
34.6°F
Precipitation
4.03 in
Daylight
13h 12m
April records in Merrimac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 77.0°F (2010) | 17.1°F (2018) | 1.02 in (2007) |
| April 2 | 82.9°F (2010) | 16.0°F (2018) | 0.46 in (2026) |
| April 3 | 77.0°F (2010) | 16.0°F (2018) | 1.17 in (2024) |
| April 4 | 73.9°F (2016) | 21.0°F (2013) | 0.76 in (2026) |
| April 5 | 77.0°F (2021) | 12.9°F (2018) | 0.32 in (2023) |
| April 6 | 80.1°F (2021) | 12.9°F (2018) | 0.89 in (2010) |
| April 7 | 81.0°F (2021) | 15.1°F (2018) | 1.52 in (2006) |
| April 8 | 78.1°F (2021) | 12.9°F (2018) | 1.00 in (2010) |
| April 9 | 75.0°F (2019) | 17.1°F (2025) | 2.54 in (2015) |
| April 10 | 77.0°F (2017) | 19.9°F (2007) | 1.93 in (2013) |
| April 11 | 81.0°F (2011) | 19.9°F (2018) | 2.00 in (2008) |
| April 12 | 78.1°F (2023) | 24.1°F (2009) | 0.77 in (2019) |
| April 13 | 84.0°F (2023) | 24.1°F (2009) | 2.46 in (2014) |
| April 14 | 84.0°F (2023) | 24.1°F (2008) | 2.55 in (2014) |
| April 15 | 84.0°F (2006) | 12.0°F (2014) | 0.84 in (2017) |
| April 16 | 82.0°F (2023) | 12.9°F (2014) | 1.48 in (2017) |
| April 17 | 81.0°F (2016) | 23.0°F (2022) | 2.35 in (2024) |
| April 18 | 82.9°F (2016) | 26.1°F (2014) | 1.41 in (2013) |
| April 19 | 82.9°F (2016) | 17.1°F (2018) | 0.77 in (2018) |
| April 20 | 75.9°F (2015) | 17.1°F (2018) | 1.37 in (2012) |
| April 21 | 75.9°F (2008) | 23.0°F (2018) | 0.30 in (2022) |
| April 22 | 82.9°F (2019) | 21.9°F (2021) | 0.10 in (2025) |
| April 23 | 84.9°F (2007) | 23.0°F (2021) | 0.98 in (2019) |
| April 24 | 82.0°F (2022) | 24.1°F (2015) | 0.34 in (2010) |
| April 25 | 84.9°F (2009) | 25.0°F (2023) | 1.53 in (2008) |
| April 26 | 79.0°F (2016) | 27.0°F (2023) | 2.02 in (2009) |
| April 27 | 75.9°F (2017) | 26.1°F (2022) | 0.77 in (2017) |
| April 28 | 81.0°F (2024) | 26.1°F (2019) | 0.28 in (2014) |
| April 29 | 82.9°F (2025) | 26.1°F (2018) | 1.40 in (2014) |
| April 30 | 86.0°F (2007) | 30.9°F (2015) | 1.42 in (2006) |