Winters in Minnetonka are extremely cold, with temperatures often dropping below -20°C and averaging around -6°C in January. February is even colder, with lows reaching -36°C on occasion. As spring approaches, temperatures gradually warm up, with March experiencing a wide range of temperatures from -13°C to 24°C, still quite chilly overall. By May, the average temperature has risen significantly to 15°C, marking the beginning of warmer months. Summers are mild and pleasant, with July and August averaging around 23°C, although temperatures can occasionally reach up to 36°C.