Saint-Jean-sur-Richelieu Climate: Weather by Month and Best Time to Visit

Best months for Saint-Jean-sur-Richelieu: September, August, June, July.

Best time to visit

Year at a glance

Jan 3.6 Feb 3.8 Mar 4.1 Apr 5.8 May 6.9 Jun 7.2 Jul 7.2 Aug 7.3 Sep 7.5 Oct 5.9 Nov 4.7 Dec 3.4

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-4°C	-13°C	72 mm	11	–	–	3.6
February	-2°C	-11°C	60 mm	9	–	–	3.8
March	3°C	-5°C	75 mm	11	–	–	4.1
April	12°C	2°C	99 mm	12	–	–	5.8
May	20°C	9°C	104 mm	12	–	–	6.9
June	24°C	14°C	117 mm	13	–	–	7.2
July	26°C	17°C	107 mm	13	–	–	7.2
August	25°C	16°C	108 mm	13	–	–	7.3
September	21°C	11°C	96 mm	10	–	–	7.5
October	13°C	5°C	114 mm	12	–	–	5.9
November	6°C	-1°C	85 mm	12	–	–	4.7
December	0°C	-8°C	84 mm	13	–	–	3.4