average temperatures by month niagara falls
Average Weather in Niagara Falls Canada. Niagara Falls has a humid continental climate with warm summers and no dry season. The temperature typically varies from 18Â°F to 80Â°F over the course of the year, and is rarely below 4Â°F or above 87Â°F. The warm season lasts for 112 days, from May 30 to September 19, with an average daily high temperature above 70Â°F.