Weather in Saint John in August
How warm is it in Saint John in August?
In August the typical daytime high in Saint John is 24.7 °C on average, from 25.9 °C at the start to 22.8 °C at the end of the month.
That is 0.9 °C cooler than in July and 4.7 °C warmer than in September.
The last 10 years were 1.4 °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 Woodstock (153 km) and Charlottetown A (253 km); nearer ones count more.