Get the monthly weather forecast for Milford Sound, Southland, New Zealand, including daily high/low, historical averages, to help you plan ahead. in effect until 10:00 AM NZST. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 6°C (43°F) is normal.

High Temperature 18 °C 64 °F. For most, swimming in 16°C (60.8°F) is not an enjoyable activity. March is in the fall / autumn in Milford Sound and is typically the 4th warmest month of the year. Milford Sound Weather March Averages, New Zealand. Temperature 13 °C 55 °F. Swimming in 16°C (60.8°F) is not enjoyable for the majority. April. May. How warm is the sea around Milford Sound in March? How sunny is it in Milford Sound in March? The climate in Milford Sound during March can be summarized as mild and very wet. In March, in Milford Sound, New Zealand, the average sea temperature is 16°C (60.8°F). January through March, with an average sea temperature of 16°C (60.8°F), are months with the warmest seawater in Milford Sound, New Zealand. There are normally 5 hours of bright sunshine each day in Milford Sound in March - that's 41% of daylight hours. What months are the sea warmest in Milford Sound?

Low Temperature 8.9 °C 48 °F.

Rainfall days 15 days. Rainfall 640 mm. March. Daytime temperatures usually reach 16°C in Milford Sound in March, falling to 6°C at night. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).