Waiheke Island Weather in May

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

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Oneroa Onetangi Ostend Blackpool

Are you planning a trip a to Waiheke Island, New Zealand in May and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Waiheke Island in May

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

Temperatures

You can expect pleasant maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 14°C (57°F) in Oneroa.

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

Precipitation

May is a rainy month with an average rainfall of around 107 mm (4.2 in) in Oneroa.

Average sunshine

Most places get a reasonable amount of sunshine. Take Oneroa as an example - it receives around 140 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

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)

January23°C (73°F) February23°C (73°F) March22°C (72°F) April20°C (68°F) May18°C (64°F) June16°C (61°F) This monthJuly15°C (59°F) August15°C (59°F) September16°C (61°F) October18°C (64°F) November19°C (66°F) December21°C (70°F)
Best Time to Visit Waiheke Island →

Best Places to Visit in Waiheke Island in May

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

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

Temperature range in Waiheke Island (May)

Precipitation variation in Waiheke Island (May)

Oneroa

In May Oneroa generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
18°C (64°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
156 hours
140 hours
117 hours
Monthly rainfall
92 mm (3.6 in)
107 mm (4.2 in)
114 mm (4.5 in)
Monthly rainy days
13 days
15 days
18 days
Weather conditions
perfect
tolerable
unpleasant
Climate in Oneroa →

Onetangi

In May Onetangi generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
18°C (64°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
156 hours
140 hours
117 hours
Monthly rainfall
94 mm (3.7 in)
110 mm (4.3 in)
116 mm (4.6 in)
Monthly rainy days
13 days
15 days
17 days
Weather conditions
perfect
tolerable
unpleasant
Climate in Onetangi →

Ostend

In May Ostend generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
18°C (64°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
156 hours
140 hours
117 hours
Monthly rainfall
93 mm (3.7 in)
108 mm (4.3 in)
115 mm (4.5 in)
Monthly rainy days
13 days
15 days
17 days
Weather conditions
perfect
tolerable
unpleasant
Climate in Ostend →

Blackpool

In May Blackpool generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
18°C (64°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
156 hours
140 hours
117 hours
Monthly rainfall
92 mm (3.6 in)
107 mm (4.2 in)
113 mm (4.4 in)
Monthly rainy days
13 days
15 days
18 days
Weather conditions
perfect
tolerable
unpleasant
Climate in Blackpool →

Omiha

In May Omiha generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
18°C (64°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
156 hours
140 hours
117 hours
Monthly rainfall
93 mm (3.7 in)
108 mm (4.3 in)
115 mm (4.5 in)
Monthly rainy days
13 days
15 days
17 days
Weather conditions
perfect
tolerable
unpleasant
Climate in Omiha →

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

In our records: New Zealand May extremes

Notable May 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 coldest May daytime high in New Zealand was -6°C (21°F) in Franz Josef on May 28, 2013.

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Oneroa 18°C (64°F) 14°C (57°F) 107 mm (4.2 in)
Onetangi 18°C (64°F) 14°C (57°F) 110 mm (4.3 in)
Ostend 18°C (64°F) 14°C (57°F) 108 mm (4.3 in)
Blackpool 18°C (64°F) 14°C (57°F) 107 mm (4.2 in)
Omiha 18°C (64°F) 14°C (57°F) 108 mm (4.3 in)
Surfdale 18°C (64°F) 14°C (57°F) 106 mm (4.2 in)

Waiheke Island weather in May: frequently asked questions

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

Waiheke Island, New Zealand typically experiences tolerable weather in May, part of the season. Daytime highs in Oneroa average around 18°C (64°F), and temperatures drop to about 14°C (57°F) at night.

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

Average temperatures in Waiheke Island, New Zealand during May range from a nighttime low near 14°C (57°F) to a daytime high around 18°C (64°F) in Oneroa.

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

Waiheke Island, New Zealand sees substantial rainfall in May. Oneroa typically averages about 107 mm (4.2 in), a mix of wet and dry days, but bring an umbrella.

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

In our opinion, May is a good time to visit Waiheke Island, New Zealand with overall tolerable weather in Oneroa. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Waiheke Island, New Zealand is in January, February, March, April and December with generally perfect weather in Oneroa. In contrast, June, July and August tend to have unpleasant 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.

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