December weather forecast in Milford Sound

In December, the weather in Milford Sound is typically warm. Average daily high temperature in December is about 14 degrees above zero. On average, Milford Sound has 20 rainy, 6 partly cloudy, and 5 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Milford Sound.