Typical Weather

Waterloo · United States

Weather in Waterloo in May

In May the typical daytime high in Waterloo is 23.2 °C on average, from 20.2 °C at the start to 26.3 °C at the end of the month.

The last 10 years were 1.3 °C warmer than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

The average of the weather stations Cedar Rapids (79 km) and Rock Is L&D (183 km); nearer ones count more.