In June, the weather in Mo i Rana is typically cold. Average daily high temperature in June is about 9 degrees above zero. On average, Mo i Rana has 23 rainy, 3 sunny, 3 cloudy, and 1 partly cloudy day in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit Mo i Rana.