Saint John Weather in June

The climate in Saint John during June can be summarized as hot and damp.

June is in the summer in Saint John and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 17°C (62°F) is normal.

On average June is the wettest month of the year in Saint John with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.6 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 Saint John in June 2024.