Typical Weather

Weather in Saint-Jean-sur-Richelieu in August

How warm is it in Saint-Jean-sur-Richelieu in August?

In August the typical daytime high in Saint-Jean-sur-Richelieu is 25.0 °C on average, from 26.2 °C at the start to 23.4 °C at the end of the month.

That is 1.3 °C cooler than in July and 4.2 °C warmer than in September.

The last 10 years were 0.8 °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 Richmond (95 km), Woodstock (196 km) and Gardiner (300 km); nearer ones count more.