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Weather in August in Stewart Island

Planning a journey to Stewart Island this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Stewart Island in August?

Stewart Island is a region in New Zealand. August in Stewart Island generally has cold temperatures, with moderate precipitation.

Temperatures

You can expect cold maximum daytime temperatures of around 11°C and nighttime temperatures around 6°C in Half-moon Bay.

Precipitation

August is a moderate rainy month with an average rainfall of around 97 mm in Half-moon Bay.

Average sunshine

Half-moon Bay enjoys a balanced 125 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For specific regional insights in Stewart Island for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Stewart Island climate page.

Where to go in Stewart Island in August

Find more information for the most popular destinations in the Stewart Island on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the most popular destinonation in Stewart Island?

Half-moon Bay

In August Half-moon Bay generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.

Half-moon Bay
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
10°C 
5°C 
99 hours 
96 mm 
26 days 
poor 
11°C 
6°C 
125 hours 
97 mm 
24 days 
12°C 
7°C 
142 hours 
116 mm 
23 days 
poor 
Climate in Half-moon Bay

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

Is August the best time to visit Stewart Island?

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

Generally speaking, January, February, March, April, August, November and December provide unpleasant weather in Half-moon Bay.

Interested in more climate information?

We have much more information about the climate in Stewart Island. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.