In June, the weather in Happy Valley-Goose Bay is typically warm. Average daily high temperature in June is about 14 degrees above zero. On average, Happy Valley-Goose Bay has 14 rainy, 9 cloudy, 4 sunny, and 3 partly cloudy days in June. The rains are usually moderate. June as well as January, February, April, and May is considered the most uncomfortable time to visit Happy Valley-Goose Bay.