March weather in South Milwaukee, WI
The average temperature in South Milwaukee in March is 35.0°F (27.5°F–42.4°F). Average precipitation: 2.20 inches.
March is a spring month in South Milwaukee, and is cooler than the annual average of 48.4°F. Daily temperatures swing about 14.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 11h 42m. For travel, March is cold.
Avg High
42.4°F
Avg Low
27.5°F
Precipitation
2.20 in
Daylight
11h 42m
March records in South Milwaukee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 57.9°F (2025) | -2.0°F (2015) | 0.30 in (2017) |
| March 2 | 57.9°F (2020) | 5.0°F (2014) | 0.24 in (2007) |
| March 3 | 53.1°F (2008) | -0.9°F (2014) | 0.69 in (2012) |
| March 4 | 63.0°F (2024) | -5.1°F (2019) | 0.12 in (2014) |
| March 5 | 53.1°F (2024) | -4.0°F (2019) | 1.18 in (2025) |
| March 6 | 63.0°F (2009) | 0.0°F (2015) | 0.45 in (2023) |
| March 7 | 64.9°F (2012) | 5.0°F (2015) | 0.47 in (2026) |
| March 8 | 66.9°F (2016) | 12.0°F (2007) | 0.72 in (2009) |
| March 9 | 72.0°F (2016) | 12.9°F (2008) | 1.17 in (2009) |
| March 10 | 73.9°F (2026) | 16.0°F (2014) | 1.10 in (2023) |
| March 11 | 69.1°F (2025) | 14.0°F (2017) | 0.82 in (2013) |
| March 12 | 66.9°F (2024) | 7.0°F (2022) | 0.18 in (2012) |
| March 13 | 61.0°F (2012) | 7.0°F (2022) | 0.55 in (2012) |
| March 14 | 72.0°F (2007) | 16.0°F (2009) | 0.56 in (2016) |
| March 15 | 79.0°F (2012) | 15.1°F (2017) | 1.18 in (2024) |
| March 16 | 71.1°F (2012) | 16.0°F (2014) | 1.73 in (2026) |
| March 17 | 70.0°F (2015) | 16.0°F (2014) | 0.43 in (2025) |
| March 18 | 75.0°F (2009) | 12.0°F (2023) | 0.25 in (2008) |
| March 19 | 73.9°F (2012) | 12.0°F (2023) | 0.51 in (2022) |
| March 20 | 72.0°F (2012) | 12.9°F (2013) | 0.96 in (2020) |
| March 21 | 64.0°F (2012) | 12.9°F (2013) | 1.16 in (2011) |
| March 22 | 73.0°F (2026) | 14.0°F (2013) | 1.00 in (2008) |
| March 23 | 66.9°F (2021) | 16.0°F (2014) | 0.90 in (2011) |
| March 24 | 57.0°F (2012) | 16.0°F (2014) | 0.91 in (2012) |
| March 25 | 59.0°F (2017) | 19.0°F (2014) | 1.00 in (2016) |
| March 26 | 79.0°F (2007) | 12.9°F (2014) | 0.61 in (2024) |
| March 27 | 80.1°F (2007) | 16.0°F (2014) | 0.67 in (2017) |
| March 28 | 71.1°F (2012) | 17.1°F (2015) | 1.23 in (2020) |
| March 29 | 79.0°F (2025) | 21.0°F (2008) | 0.68 in (2009) |
| March 30 | 62.1°F (2026) | 21.0°F (2023) | 0.68 in (2017) |
| March 31 | 70.0°F (2026) | 21.9°F (2011) | 0.75 in (2017) |