Stewart Island Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Stewart Island, New Zealand in December.

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Half-moon Bay

Thinking about venturing to Stewart Island, New Zealand this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Stewart Island in December

Stewart Island, New Zealand is a region in New Zealand. December in Stewart Island generally has mild temperatures, with high precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 10°C (50°F) in Half-moon Bay.

For specific regional insights in Stewart Island, New Zealand, refer to the map provided below.

Precipitation

December is a rainy month with an average rainfall of around 125 mm (4.9 in) in Half-moon Bay.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Half-moon Bay sees close to 192 hours of sunlight, making it great for sun lovers.

Explore Stewart Island by month

Pick a month to see the average temperature, rainfall and sunshine in Stewart Island - and find the best time to visit. (based on Half-moon Bay)

January17°C (63°F) February17°C (63°F) March16°C (61°F) April15°C (59°F) May13°C (55°F) June11°C (52°F) This monthJuly10°C (50°F) August11°C (52°F) September12°C (54°F) October13°C (55°F) November15°C (59°F) December16°C (61°F)
Best Time to Visit Stewart Island →

Best Places to Visit in Stewart Island in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Stewart Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Stewart Island

What is the weather like in December for the most popular destinonation in Stewart Island, New Zealand?

Half-moon Bay

In December Half-moon Bay generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are mixed that month.

« November
December
January »
November
December
January
Max temperature
15°C (59°F)
16°C (61°F)
17°C (63°F)
Min temperature
8°C (46°F)
10°C (50°F)
11°C (52°F)
Monthly sun hours
183 hours
192 hours
187 hours
Monthly rainfall
125 mm (4.9 in)
125 mm (4.9 in)
130 mm (5.1 in)
Monthly rainy days
21 days
23 days
23 days
Weather conditions
mixed
mixed
mixed
Climate in Half-moon Bay →

Is your destination not in the list? Have a look at all destinations in Stewart Island, in New Zealand.

Stewart Island weather in December: frequently asked questions

What is the weather like in Stewart Island, New Zealand in December?

In December, Stewart Island, New Zealand generally has mixed weather conditions. Half-moon Bay sees daytime temperatures near 16°C (61°F), with nights cooling to roughly 10°C (50°F).

What is the average temperature in Stewart Island, New Zealand in December?

Average temperatures in Stewart Island, New Zealand during December range from a nighttime low near 10°C (50°F) to a daytime high around 16°C (61°F) in Half-moon Bay.

Does Stewart Island, New Zealand get a lot of rain in December?

Stewart Island, New Zealand sees substantial rainfall in December. Half-moon Bay typically averages about 125 mm (4.9 in), a mix of wet and dry days, but bring an umbrella.

Is December a Good Time to Visit Stewart Island, New Zealand?

In our view, December is one of the best times to travel to Stewart Island, New Zealand, however the weather can often be mixed in Half-moon Bay.

On average, the best time to visit Stewart Island, New Zealand is in January, February, March, April, August, November and December with generally mixed weather in Half-moon Bay.

Interested in more climate information?

We have much more information about the climate in Stewart Island.

Weather and climate has detailed information for every country in the world. Are you going to New Zealand? Get detailed historical weather averages for many cities in New Zealand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

The Tongariro Crossing in New Zealand

It is called the most beautiful walk in New Zealand, the Tongariro Crossing. The official hiking season starts late October until end of April.

White-water sledge and raft in Rotorua

We recommend to white-water sledge and raft in Rotorua in summer (January, February) when the Glacier melt fills the rivers. This is the best time.
Must visit in New Zealand →