Waiheke Island Weather in July

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

Planning a trip to Waiheke Island, New Zealand this July? Here's what you need to know about the weather:

What to Expect in Waiheke Island in July

Waiheke Island, New Zealand is a region in New Zealand. July 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. In general, this month stands out as the coldest period throughout the year. However, even though July is the coolest month, you can still find places in Waiheke Island, New Zealand with moderate temperatures, ensuring a pleasant experience throughout the year.

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

Precipitation

July is a rainy month with an average rainfall of around 122 mm (4.8 in) in Oneroa. Going by our weather data, it is the wettest month of the year in Oneroa.

Average sunshine

Sunshine levels are moderate in most locations. Oneroa typically sees 130 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

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 July

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 July for some of the most popular destinations in Waiheke Island, New Zealand?

Temperature range in Waiheke Island (July)

Precipitation variation in Waiheke Island (July)

Oneroa

In July 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 mixed that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
15°C (59°F)
Min temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
117 hours
130 hours
147 hours
Monthly rainfall
114 mm (4.5 in)
122 mm (4.8 in)
109 mm (4.3 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

Onetangi

In July 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 mixed that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
15°C (59°F)
Min temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
117 hours
130 hours
147 hours
Monthly rainfall
116 mm (4.6 in)
123 mm (4.8 in)
111 mm (4.4 in)
Monthly rainy days
17 days
17 days
17 days
Weather conditions

Ostend

In July 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 mixed that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
15°C (59°F)
Min temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
117 hours
130 hours
147 hours
Monthly rainfall
115 mm (4.5 in)
122 mm (4.8 in)
110 mm (4.3 in)
Monthly rainy days
17 days
18 days
18 days
Weather conditions

Blackpool

In July 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 mixed that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
15°C (59°F)
Min temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
117 hours
130 hours
147 hours
Monthly rainfall
113 mm (4.4 in)
121 mm (4.8 in)
109 mm (4.3 in)
Monthly rainy days
18 days
18 days
18 days
Weather conditions

Omiha

In July 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 mixed that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
15°C (59°F)
Min temperature
12°C (54°F)
11°C (52°F)
11°C (52°F)
Monthly sun hours
117 hours
130 hours
147 hours
Monthly rainfall
115 mm (4.5 in)
122 mm (4.8 in)
111 mm (4.4 in)
Monthly rainy days
17 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.

In our records: New Zealand July extremes

Notable July records observed across cities in New Zealand in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in New Zealand reached 37°C (99°F) in Russell on July 26, 2020.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Oneroa 15°C (59°F) 11°C (52°F) 122 mm (4.8 in)
Onetangi 15°C (59°F) 11°C (52°F) 123 mm (4.8 in)
Ostend 15°C (59°F) 11°C (52°F) 122 mm (4.8 in)
Blackpool 15°C (59°F) 11°C (52°F) 121 mm (4.8 in)
Omiha 15°C (59°F) 11°C (52°F) 122 mm (4.8 in)
Surfdale 15°C (59°F) 11°C (52°F) 121 mm (4.8 in)

Waiheke Island weather in July: frequently asked questions

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

Expect mixed weather across Waiheke Island, New Zealand in July. The popular destination of Oneroa averages 15°C (59°F) by day and 11°C (52°F) at night during this month.

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

Daytime temperatures in Oneroa peak at roughly 15°C (59°F) in July, dropping to about 11°C (52°F) overnight.

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

Yes, July tends to be a wetter month in Waiheke Island, New Zealand. Average rainfall in Oneroa sits around 122 mm (4.8 in).

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

Given the typically mixed weather conditions in Oneroa, July may not be the ideal time to visit Waiheke Island, New Zealand.

On average, the best time to visit Waiheke Island, New Zealand is in January, February, March, April and December with generally excellent weather in Oneroa. On the other hand, the months of June, July and August tend to have mixed weather conditions.

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.