The best time to visit Saint-Pierre and Miquelon depends upon the tourist’s choice. Others prefer to visit every summer which has an average temperature of 61 degrees Fahrenheit. Fog is expected during months of June and July. Sunny, warm and pleasant conditions are expected every August and September; hence, the perfect months to visit Saint-Pierre and Miquelon. The best time to visit Saint-Pierre and Miquelon to enjoy their famous Saint-Pierre et Miquelon for Bastille Day is every July 14.