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Australia and Oceania

Cook Islands weather in August 2025

Australia and Oceania

Cook Islands weather in August 2025

 

Day

26 °C

 

Night

21 °C

 

Sea

25 °C

 

Precipitation

83 mm

in month

 

Rainy days

3 days

in month

 

Daylight

11 hours

average

 

Day

26 °C

 

Night

21 °C

 

Sea

25 °C

 

Precipitation

83 mm

in month

 

Rainy days

3 days

in month

 

Daylight

11 hours

average

Overview: Cook Islands
In Cook Islands in August, the average air temperature ranges from 26 °C (78 °F) during the day to 21 °C (69 °F) at night. There are 3 days of rain on average, where the rainfall is 83 mm (3.26 in).

Weather charts for Cook Islands

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Beach with turquise sea in Aitutaki with nice weather and blue sky
Nice beach by the sea with turquise water in Aitutaki on a clear sky day
Nice beach and port in Aitutaki in partly cloudy weather

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Weather overview and FAQs

Weather overview

In Cook Islands in August, the average air temperature ranges from 26 °C (78 °F) during the day to 21 °C (69 °F) at night. There are 3 days of rain on average, where the rainfall is 83 mm (3.26 in).

Is August a good month to visit Cook Islands?

In Cook Islands in August, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 26 °C (78 °F). The seawater temperature reaches ideal 25 °C (77 °F). At night, temperatures hover around a pleasant 21 °C (69 °F). There are only 3 days of rain in the whole month, so you can leave your umbrella at home.

What is the temperature in Cook Islands during the day in August?

In August in Cook Islands, the average daily temperatures will be 26 °C (78 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

What is the sea temperature in Cook Islands in August?

The temperature of the sea in Cook Islands in August is 25 °C (77 °F). It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

Is August part of the dry season in Cook Islands?

Yes, there is a dry season in Cook Islands in August with just 3 days during the month being rainy.

What is the average number of rainy days in Cook Islands in August?

In August in Cook Islands, we can expect 3 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.7 days of the week, or in general - 11 % days.

What is the air temperature in Cook Islands in August at night?

The average night temperature in Cook Islands in August is 21 °C (69 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

Is it hot in Cook Islands in August?

In August in Cook Islands, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is the weather in Cook Islands warmer in August than in September?

No, August is not warmer in Cook Islands than September.

How windy is it in Cook Islands in August?

An average wind scale that can be expected in Cook Islands in August is 5.

Is Cook Islands rainier in August than in July?

No, in Cook Islands in August it does not rain more than in July.

How long is the day (from dawn till dusk) in Cook Islands in August?

The length of daylight in Cook Islands in August is 11 hours.

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