June in Vadsø is the rainiest month of the year. In June, the weather in Vadsø is typically cold. Average daily high temperature in June is about 9 degrees above zero. On average, Vadsø has 18 rainy, 10 cloudy, and 2 sunny days in June. The rains are usually moderate. June as well as April, May, July, and September is considered the most uncomfortable time to visit Vadsø.