In June, the weather in Ny-Alesund is typically cold. Average daily high temperature in June is about 1 degree above zero. On average, Ny-Alesund has 11 cloudy, 10 partly cloudy, 5 sunny, and 4 rainy days in June. The rains are usually light. June as well as January, February, March, and April is considered the most uncomfortable time to visit Ny-Alesund.