The weather at Milford Sound is highly changeable and unpredictable, due to the fiord’s location in the heart of the Southern Alps and its proximity to the Tasman Sea. Visitors to Milford Sound should be prepared for a range of weather conditions, including rain, wind, and sunshine, and should always check the weather forecast before embarking on any outdoor activities.
Milford Sound experiences a cool, temperate climate, with average temperatures ranging from 5°C to 15°C (41°F to 59°F) throughout the year. The summer months (December to February) are the warmest, with average temperatures of around 13°C to 15°C (55°F to 59°F), while the winter months (June to August) are the coldest, with temperatures ranging from 2°C to 9°C (35°F to 48°F).
Rain is common at Milford Sound, with an average annual rainfall of around 6,500 mm (256 inches) per year. Rainfall is heaviest during the winter months, with May being the wettest month. Visitors should be prepared for rain at any time of the year and bring waterproof clothing and footwear.
Strong winds are also common at Milford Sound, especially during the summer months. These winds can make it difficult to take boat tours or engage in other outdoor activities, so visitors should check the weather forecast and plan accordingly.
Despite the unpredictable weather, Milford Sound is a stunning and unique destination that is worth visiting at any time of the year. Whether you visit in the warm summer months or the cool winter months, you are sure to be amazed by the beauty of this natural wonder. Just be sure to bring appropriate clothing and gear to stay comfortable in the ever-changing weather conditions.