May weather in West Salem, WI
The average temperature in West Salem in May is 57.5°F (47.9°F–67.2°F). Average precipitation: 4.91 inches.
May is a spring month in West Salem, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 14h 33m. For travel, May is a comfortable month to visit.
Avg High
67.2°F
Avg Low
47.9°F
Precipitation
4.91 in
Daylight
14h 33m
May records in West Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2021) | 30.9°F (2017) | 1.63 in (2018) |
| May 2 | 79.0°F (2012) | 27.0°F (2013) | 0.93 in (2021) |
| May 3 | 81.0°F (2012) | 25.0°F (2013) | 1.06 in (2018) |
| May 4 | 77.0°F (2000) | 28.9°F (2005) | 0.67 in (2001) |
| May 5 | 82.0°F (2000) | 37.0°F (2002) | 0.72 in (2003) |
| May 6 | 87.1°F (2016) | 36.0°F (2006) | 0.65 in (2012) |
| May 7 | 82.0°F (2018) | 37.0°F (2006) | 0.67 in (2024) |
| May 8 | 82.0°F (2000) | 30.0°F (2020) | 1.24 in (2004) |
| May 9 | 82.9°F (2022) | 30.0°F (2020) | 1.57 in (2006) |
| May 10 | 82.0°F (2004) | 33.1°F (2020) | 0.95 in (2011) |
| May 11 | 88.0°F (2022) | 33.1°F (2020) | 1.19 in (2018) |
| May 12 | 91.9°F (2022) | 34.0°F (2005) | 1.02 in (2014) |
| May 13 | 84.9°F (2022) | 34.0°F (2005) | 1.51 in (2010) |
| May 14 | 90.0°F (2013) | 34.0°F (2016) | 0.54 in (2009) |
| May 15 | 87.1°F (2007) | 30.0°F (2016) | 0.89 in (2003) |
| May 16 | 87.1°F (2001) | 34.0°F (2014) | 1.08 in (2017) |
| May 17 | 81.0°F (2018) | 35.1°F (2002) | 1.06 in (2017) |
| May 18 | 84.0°F (2024) | 36.0°F (2002) | 2.56 in (2000) |
| May 19 | 84.9°F (2012) | 34.0°F (2000) | 2.19 in (2022) |
| May 20 | 84.0°F (2009) | 30.9°F (2002) | 1.64 in (2025) |
| May 21 | 84.0°F (2009) | 33.1°F (2002) | 1.88 in (2024) |
| May 22 | 80.1°F (2016) | 39.9°F (2022) | 2.23 in (2004) |
| May 23 | 81.0°F (2007) | 39.0°F (2001) | 1.74 in (2011) |
| May 24 | 86.0°F (2010) | 37.0°F (2013) | 1.48 in (2007) |
| May 25 | 89.1°F (2010) | 37.9°F (2002) | 1.22 in (2022) |
| May 26 | 88.0°F (2018) | 37.9°F (2002) | 1.46 in (2024) |
| May 27 | 93.0°F (2018) | 36.0°F (2021) | 1.65 in (2019) |
| May 28 | 89.1°F (2018) | 35.1°F (2021) | 1.31 in (2020) |
| May 29 | 90.0°F (2018) | 35.1°F (2021) | 2.13 in (2013) |
| May 30 | 90.0°F (2006) | 46.0°F (2012) | 1.67 in (2008) |
| May 31 | 84.9°F (2010) | 37.0°F (2015) | 1.17 in (2016) |