The best time to visit Tappen, British Columbia, is during the summer months, from June to August, when the weather is warm and ideal for outdoor activities.During this period, the average daily temperatures range from the low 70s to the low 80s Fahrenheit (20-28 degrees Celsius), making it superb for enjoying Shuswap Lake. The long daylight hours allow for extended time on the water, whether you're boating, swimming, or fishing. This season is particularly appealing for families and couples looking for a lakeside vacation.Early autumn, specifically September, also offers pleasant conditions with fewer crowds and comfortable temperatures, typically in the 60s Fahrenheit (15-20 degrees Celsius).