June in Östersund is the rainiest month of the year. In June, the weather in Östersund is typically warm. Average daily high temperature in June is about 14 degrees above zero. On average, Östersund has 12 rainy, 7 partly cloudy, 6 cloudy, and 5 sunny days in June. The rains are usually light. June as well as March, April, May, and August is considered the most uncomfortable time to visit Östersund.