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.