In June, the weather in Happy Valley-Goose Bay is typically warm. Average daily high temperature in June is about 16 degrees above zero. On average, Happy Valley-Goose Bay has 15 rainy, 6 cloudy, 5 partly cloudy, and 4 sunny days in June. The rains are usually heavy. June as well as January, February, April, and May is considered the most uncomfortable time to visit Happy Valley-Goose Bay.