Orillia Climate: Weather by Month and Best Time to Visit

Best months for Orillia: June, August, July, September.

Best time to visit

Year at a glance

Jan 3.5 Feb 3.9 Mar 4.1 Apr 5.7 May 7.0 Jun 7.6 Jul 7.4 Aug 7.5 Sep 7.4 Oct 5.8 Nov 4.6 Dec 3.4

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-3°C	-11°C	65 mm	12	–	–	3.5
February	-2°C	-11°C	50 mm	9	–	–	3.9
March	3°C	-6°C	60 mm	10	–	–	4.1
April	11°C	2°C	79 mm	12	–	–	5.7
May	19°C	8°C	87 mm	12	–	–	7.0
June	23°C	14°C	95 mm	11	–	–	7.6
July	25°C	16°C	87 mm	12	–	–	7.4
August	24°C	16°C	88 mm	12	–	–	7.5
September	21°C	12°C	84 mm	11	–	–	7.4
October	13°C	6°C	87 mm	13	–	–	5.8
November	6°C	0°C	76 mm	12	–	–	4.6
December	0°C	-7°C	65 mm	12	–	–	3.4