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Region in Southland, New Zealand

Milford Sound weather by month and the best time to visit

Updated October 2026Sources
Nov–AprBest time to visit

When to go to Milford Sound

Summer is busiest; Nov–Apr is the best for walking. Rain is frequent, but waterfalls look best after rain. Winter has avalanche and ice closures.

Milford Sound weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
0°5°10°15°20°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January15°C60°F8°C47°F201 mm83%Rainy
February16°C60°F8°C47°F155 mm84%Cool
March14°C58°F7°C45°F164 mm86%Rainy
April12°C53°F6°C42°F158 mm88%Cool
May9°C48°F4°C39°F192 mm91%Rainy
June7°C44°F2°C36°F169 mm92%Rainy
July6°C43°F1°C34°F166 mm91%Rainy
August7°C45°F2°C35°F155 mm90%Cold
September9°C47°F3°C37°F193 mm88%Rainy
October10°C50°F4°C38°F195 mm86%Rainy
November12°C54°F5°C41°F178 mm84%Rainy
December14°C58°F7°C45°F202 mm83%Rainy

Best months across New Zealand

PlaceBest monthsWarmest month
AucklandDec–MarFeb (24°C)
QueenstownJul–Aug, Dec–MarJan (20°C)
WellingtonJan–AprFeb (19°C)
ChristchurchDec–MarJan (24°C)
RotoruaNov–AprJan (23°C)
WanakaJul–Aug, Dec–MarJan (21°C)
TaupoNov–AprJan (24°C)
Bay of IslandsDec–AprFeb (24°C)
Milford SoundNov–AprFeb (16°C)
Lake TekapoNov–AprFeb (22°C)
CoromandelDec–AprFeb (24°C)
TaurangaDec–AprFeb (23°C)
DunedinDec–MarJan (16°C)
NelsonDec–AprFeb (25°C)
Waiheke IslandDec–MarFeb (24°C)
KaikouraDec–MarJan (20°C)
Franz JosefDec–AprFeb (19°C)

Quick answers

What is the best month to visit Milford Sound?

Nov–Apr. Summer is busiest; Nov–Apr is the best for walking. Rain is frequent, but waterfalls look best after rain. Winter has avalanche and ice closures.

When is the rainy season in Milford Sound?

Rain peaks in December with about 202 mm. Months with 150 mm or more: All year.

What is the hottest month in Milford Sound?

February, with average highs of 16°C (60°F).

How cold does Milford Sound get?

The coolest nights are in July, averaging 1°C (34°F).

More about Milford Sound

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.