Waterloo Weather in June

The climate in Waterloo during June can be summarized as warm and a little damp.

June is in the summer in Waterloo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 13°C (56°F) is normal.

On average June is the wettest month of the year in Waterloo with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 10 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Waterloo in June 2025.