Waiheke Island Weather in August

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

Considering a trip to Waiheke Island, New Zealand this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Waiheke Island in August

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

Temperatures

You can expect mild maximum daytime temperatures of around 15°C (59°F) and nighttime temperatures around 11°C (52°F) in Oneroa. Even if August is considered the coolest month, there are areas in Waiheke Island, New Zealand that maintain moderate temperatures, making it a pleasant destination all year round.

To learn more about the conditions in specific areas of Waiheke Island, New Zealand, check out the map below.

Precipitation

August is a rainy month with an average rainfall of around 109 mm (4.3 in) in Oneroa.

Average sunshine

Sunshine is moderately available across various locations. In Oneroa, you can expect around 147 hours of sunlight in August, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Waiheke Island by month

Pick a month to see the average temperature, rainfall and sunshine in Waiheke Island — and find the best time to visit. (based on Oneroa)

Best Places to Visit in Waiheke Island in August

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

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 Waiheke Island

What is the weather like in August for some of the most popular destinations in Waiheke Island, New Zealand?

Temperature range in Waiheke Island (August)

Precipitation variation in Waiheke Island (August)

Oneroa

In August Oneroa generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
11°C (52°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
130 hours
147 hours
151 hours
Monthly rainfall
122 mm (4.8 in)
109 mm (4.3 in)
97 mm (3.8 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

Onetangi

In August Onetangi generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
11°C (52°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
130 hours
147 hours
151 hours
Monthly rainfall
123 mm (4.8 in)
111 mm (4.4 in)
99 mm (3.9 in)
Monthly rainy days
17 days
17 days
17 days
Weather conditions

Ostend

In August Ostend generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
11°C (52°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
130 hours
147 hours
151 hours
Monthly rainfall
122 mm (4.8 in)
110 mm (4.3 in)
98 mm (3.9 in)
Monthly rainy days
18 days
18 days
17 days
Weather conditions

Blackpool

In August Blackpool generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
11°C (52°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
130 hours
147 hours
151 hours
Monthly rainfall
121 mm (4.8 in)
109 mm (4.3 in)
96 mm (3.8 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

Omiha

In August Omiha generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
16°C (61°F)
Min temperature
11°C (52°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
130 hours
147 hours
151 hours
Monthly rainfall
122 mm (4.8 in)
111 mm (4.4 in)
99 mm (3.9 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in Waiheke Island in August.

City Weather Day temp Night temp Rainfall
Oneroa 15°C (59°F) 11°C (52°F) 109 mm (4.3 in)
Onetangi 15°C (59°F) 11°C (52°F) 111 mm (4.4 in)
Ostend 15°C (59°F) 11°C (52°F) 110 mm (4.3 in)
Blackpool 15°C (59°F) 11°C (52°F) 109 mm (4.3 in)
Omiha 15°C (59°F) 11°C (52°F) 111 mm (4.4 in)
Surfdale 15°C (59°F) 11°C (52°F) 109 mm (4.3 in)

Waiheke Island weather in August: frequently asked questions

What is the weather like in Waiheke Island, New Zealand in August?

August in Waiheke Island, New Zealand brings unpleasant weather. In Oneroa, daytime temperatures are typically around 15°C (59°F) and nighttime lows hover near 11°C (52°F).

What is the average temperature in Waiheke Island, New Zealand in August?

In Oneroa, the average daytime high in August is 15°C (59°F), while nighttime temperatures drop to around 11°C (52°F).

Does Waiheke Island, New Zealand get a lot of rain in August?

Oneroa typically receives notable rainfall in August, about 109 mm (4.3 in) on average across Waiheke Island, New Zealand.

Is August a Good Time to Visit Waiheke Island, New Zealand?

In our view, August might not be the best time to travel to Waiheke Island, New Zealand with often unpleasant weather in Oneroa.

Generally speaking, the best visiting conditions can be found in January, February, March, April and December offering mostly perfect weather in Oneroa. On the other hand, the weather in June, July and August tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Waiheke 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.