May weather in Madison, IL
The average temperature in Madison in May is 66.6°F (56.5°F–76.7°F). Average precipitation: 4.84 inches.
May is a spring month in Madison, and is warmer than the annual average of 56.5°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 6m. For travel, May is a comfortable month to visit.
Avg High
76.7°F
Avg Low
56.5°F
Precipitation
4.84 in
Daylight
14h 6m
May records in Madison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2018) | 36.0°F (2015) | 1.04 in (2004) |
| May 2 | 89.1°F (2012) | 39.9°F (2005) | 1.09 in (2024) |
| May 3 | 87.1°F (2001) | 35.1°F (2005) | 1.91 in (2013) |
| May 4 | 86.0°F (2001) | 33.1°F (2011) | 1.47 in (2003) |
| May 5 | 91.0°F (2012) | 41.0°F (2011) | 0.83 in (2022) |
| May 6 | 91.0°F (2012) | 43.0°F (2025) | 0.86 in (2002) |
| May 7 | 91.9°F (2023) | 42.1°F (2017) | 1.87 in (2000) |
| May 8 | 87.1°F (2014) | 39.0°F (2020) | 0.88 in (2015) |
| May 9 | 88.0°F (2003) | 34.0°F (2020) | 0.88 in (2015) |
| May 10 | 90.0°F (2018) | 35.1°F (2021) | 0.99 in (2003) |
| May 11 | 93.9°F (2022) | 37.0°F (2021) | 0.82 in (2015) |
| May 12 | 93.9°F (2022) | 39.0°F (2008) | 1.42 in (2010) |
| May 13 | 91.0°F (2018) | 36.0°F (2021) | 1.68 in (2023) |
| May 14 | 91.9°F (2013) | 37.0°F (2021) | 1.22 in (2023) |
| May 15 | 91.0°F (2013) | 42.1°F (2016) | 0.59 in (2010) |
| May 16 | 91.9°F (2001) | 39.0°F (2005) | 2.36 in (2020) |
| May 17 | 88.0°F (1998) | 37.0°F (2014) | 0.73 in (2002) |
| May 18 | 90.0°F (2017) | 37.0°F (2002) | 1.81 in (2018) |
| May 19 | 93.9°F (1998) | 42.1°F (2002) | 2.32 in (2022) |
| May 20 | 91.0°F (2012) | 39.9°F (2002) | 1.15 in (2013) |
| May 21 | 90.0°F (2024) | 42.1°F (2002) | 1.96 in (2019) |
| May 22 | 88.0°F (2009) | 44.1°F (2002) | 0.91 in (2000) |
| May 23 | 89.1°F (2010) | 43.0°F (2003) | 1.86 in (2019) |
| May 24 | 91.9°F (2012) | 43.0°F (2013) | 0.66 in (2024) |
| May 25 | 93.9°F (2006) | 46.0°F (1999) | 1.91 in (2004) |
| May 26 | 95.0°F (2012) | 46.9°F (1999) | 1.62 in (2024) |
| May 27 | 95.0°F (2018) | 43.0°F (1999) | 1.26 in (2004) |
| May 28 | 95.0°F (2012) | 48.9°F (1999) | 1.08 in (2020) |
| May 29 | 91.9°F (2006) | 45.0°F (2021) | 1.16 in (2015) |
| May 30 | 90.0°F (2011) | 41.0°F (2021) | 1.08 in (2008) |
| May 31 | 93.9°F (1998) | 50.0°F (2021) | 1.87 in (2013) |