May weather in Waterloo, NE
The average temperature in Waterloo in May is 63.0°F (53.1°F–72.9°F). Average precipitation: 4.74 inches.
May is a spring month in Waterloo, and is warmer than the annual average of 51.9°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 19m. For travel, May is a comfortable month to visit.
Avg High
72.9°F
Avg Low
53.1°F
Precipitation
4.74 in
Snow
0.1 in
May records in Waterloo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (2020) | 32.0°F (2005) | 1.72 in (2013) |
| May 2 | 89.1°F (2001) | 32.0°F (2005) | 1.69 in (2022) |
| May 3 | 82.9°F (2012) | 30.9°F (2013) | 1.91 in (2001) |
| May 4 | 87.1°F (2012) | 33.1°F (2004) | 0.89 in (2024) |
| May 5 | 89.1°F (2012) | 37.9°F (1995) | 1.72 in (2001) |
| May 6 | 87.1°F (2004) | 39.0°F (2021) | 3.49 in (2007) |
| May 7 | 93.9°F (2014) | 39.9°F (2003) | 1.27 in (1995) |
| May 8 | 90.0°F (2017) | 37.0°F (2010) | 1.19 in (2021) |
| May 9 | 90.0°F (2022) | 37.9°F (2010) | 1.33 in (2016) |
| May 10 | 93.9°F (2011) | 37.0°F (2020) | 0.73 in (2017) |
| May 11 | 96.1°F (2011) | 37.9°F (2008) | 3.02 in (2014) |
| May 12 | 95.0°F (2022) | 35.1°F (2013) | 2.30 in (2005) |
| May 13 | 87.1°F (2007) | 30.0°F (1997) | 1.72 in (2011) |
| May 14 | 100.0°F (2013) | 35.1°F (2004) | 0.44 in (2015) |
| May 15 | 89.1°F (2001) | 35.1°F (2004) | 0.60 in (1999) |
| May 16 | 91.9°F (2019) | 34.0°F (2014) | 1.77 in (2017) |
| May 17 | 91.0°F (1996) | 39.0°F (2014) | 1.25 in (2022) |
| May 18 | 89.1°F (2012) | 39.0°F (2002) | 1.73 in (2019) |
| May 19 | 91.0°F (2022) | 39.0°F (2015) | 1.60 in (2025) |
| May 20 | 91.9°F (2006) | 37.9°F (1997) | 2.22 in (2017) |
| May 21 | 87.1°F (2009) | 41.0°F (2003) | 3.55 in (2024) |
| May 22 | 86.0°F (2004) | 39.9°F (2022) | 0.63 in (1996) |
| May 23 | 90.0°F (2000) | 46.0°F (1995) | 1.90 in (2016) |
| May 24 | 89.1°F (2006) | 42.1°F (2002) | 1.40 in (2007) |
| May 25 | 93.0°F (2018) | 42.1°F (2002) | 0.73 in (2002) |
| May 26 | 97.0°F (2018) | 43.0°F (2002) | 1.47 in (1996) |
| May 27 | 98.1°F (2018) | 46.9°F (1997) | 1.71 in (2013) |
| May 28 | 93.9°F (2018) | 46.9°F (2005) | 1.30 in (2019) |
| May 29 | 93.0°F (1998) | 46.9°F (2021) | 1.20 in (1998) |
| May 30 | 93.9°F (2000) | 46.0°F (1997) | 2.55 in (2008) |
| May 31 | 93.9°F (2002) | 46.9°F (1997) | 1.68 in (2001) |