Climate and monthly weather forecast
Tauhunu, Cook Islands

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The climate of Tauhunu

The island of Tauhunu in the Cook Islands experiences a tropical rainforest climate, according to the Köppen climate classification. This grouping of weather styles infers sweltering temperatures all year round along with ample precipitation.

Astonishingly, the temperature in Tauhunu does not vary broadly over the year. The peak averages at about 29.1 C can be felt in April while the minimum average temperature, which is about 26.8 C, is observed in August. The island also maintains a high relative humidity throughout the year just about 76%.

Precipitation shows some variability throughout the year but remains considerable and frequent in Tauhunu. Rainfall quantities fluctuate from substantial 266mm (10.47") in January to a fairly substantial 63mm (2.48") in September. The corresponding days with rainfall change between 28.7 days in March to 18.6 days in July.

When it comes to sunlight, Tauhunu reasonably benefits from about 12.6 hours of daylight in November to about 11.5 hours in June. The sun usually shines for approximately 7 to 8.3 hours daily. Tauhunu experiences an ultraviolet index of 7 throughout the year.

The best time to visit Tauhunu

Planning a holiday to Tauhunu, weatherwise, hangs chiefly on the visitor's weather preferences. For those who appreciate warmer temperatures, April offers the highest average temperature at around 29.1°C (84.4°F).

For beach lovers, the sea temperature is quite favorable throughout the year; maintaining around 29°C (84.2°F) from January to June and again from October to December, with slight dips to 28°C (82.4°F) in the remaining months.

For those who seek more sunlight hours and less rainy days, the month of July would be an ideal time. With 9.1 sunshine days and only 18.6 rainy days, it crystallizes the best weather conditions in Tauhunu.

The worst time to visit Tauhunu

Considering potential travelers who look forward to spending their vacation with less rainfall, January would be less appealing due to it being the wettest month with an average of 266mm (10.47") of precipitation over about 25.4 days.

Spring weather in Tauhunu

Spring in Tauhunu, rolling from September to November, is quite consistent temperature-wise. Temperatures hover around an average high of 28°C (82.4°F) and a low of 27.1°C (80.8°F) with the sea temperature holding steady at 28°C (82.4°F) in September before rising to 29°C (84.2°F) in November. Meanwhile, rainfall declines significantly from 63mm (2.48") in September to 115mm (4.53") in November, thereby increasing the number of rainy days.

Summer weather in Tauhunu

Beginning in December and transitioning through February, the summer period in Tauhunu showcases temperately hot temperatures ranging from a high of 28.6°C (83.5°F) and a low of 27.5°C (81.5°F). Rainfall can be heavy during these months with an average of 266mm (10.47") in December and 218mm (8.58") in February. The sea temperature remains steady at 29°C (84.2°F) offering excellent conditions for water-related activities.

Autumn weather in Tauhunu

Temperatures in autumn, which extends from March to May, can get relatively high, with an average tally between 29.1°C (84.4°F) to 28.7°C (83.7°F). Rainfall reduces sequentially from March's peak of 166mm (6.54") to a rather drier 118mm (4.65") in May. In the same vein, the same number of rainy days also trim down from 28.7 days to 25.1 days.

Winter weather in Tauhunu

Winter in Tauhunu is featured by a pleasant blend of warm temperatures and diminished rainfall. The temperature peaks at 28°C (82.4°F) with a dip to 26.8°C (80.2°F) in August, the coolest month. Rainfall exhibits a substantial decline from 96mm (3.78") in June to a year's low of 63mm (2.48") in September. Correspondingly, the days with rainfall are also relatively less, ranging from 21.3 days in June to the year's minimum of 18.6 days in July.

Weather in January

In Tauhunu, Cook Islands, January ushers in the year with warm sea temperatures and moderate rainfall. Constant trades from the East, clocking at 20.8km/h (12.9mph), create a characteristic wind pattern common during this time of year. Weather in January »

Weather in February

While January marks the peak rainfall, February offers a slight reduction, contributing to a pattern of decreasing rainfall from here onwards. The consistent sea temperature created by the surrounding Pacific Ocean gives Tauhunu its characteristic climate. Weather in February »

Weather in March

Tauhunu continues the trend of decreasing rainfall into March, steering the climatic pattern towards drier conditions. Accompanied by the now consistent sea temperatures, residents witness the slow transition into a period of reduced precipitation. Weather in March »

Weather in April

The climate in Tauhunu takes on a distinct profile in April, noticeably dryer with a further decrease in rainfall to 121mm (4.76"). Coinciding with the decrease in rain, there's also a decline in cloud cover compared to the previous months. Weather in April »

Weather in May

May marks another phase of the year in Tauhunu, where rainfall drops to 118mm (4.65"), displaying a continued drying trend. Concurrent with decreased rainfall, less cloud cover and thereby more sunshine become defining features of May. Weather in May »

Weather in June

Moving on to June, one observes a continuation of the drying pattern in Tauhunu. There's ample sunlight during the day, which perfectly complements the slightly lowered humidity compared to the earlier months. Winds pick up speed reaching 22.5km/h (14mph), making this the windiest period so far. Weather in June »

Weather in July

July, typically, is the windiest month in Tauhunu, observing an average speed of 25.5km/h (15.8mph). These winds render an overall cooling effect, balancing the inherent tropical warmth of the region. Alongside the winds, July sees further lowering rain levels and thus less cloud cover. Weather in July »

Weather in August

August in Tauhunu meets expectations of a tropical city, by displaying less rainfall and elevated wind speeds. Matching the trend since the start of the year, rainfall continues its decline, further hinting towards the drier part of the year. Weather in August »

Weather in September

September carries on the rhythms of the previous months - warm sea temperatures, less rainfall, and persistent winds. A further drop in rainfall to 63mm (2.48") highlights the prevailing dryness in Tauhunu. Correspondingly, the month enjoys an equal number of sunshine hours as August, ensuring that the city remain lit for most of the day. Weather in September »

Weather in October

October indicates a change in Tauhunu weather, with a noticeable uptick in rainfall to 122mm (4.8"). Despite this, the city enjoys a significant number of sunshine hours, and constant sea temperatures are retained. Wind speeds come down slightly from the preceding months, yet are sufficient to keep the weather pleasant. Weather in October »

Weather in November

By November, Tauhunu still maintains a warm climate, owing to a consistent sea temperature. Rainfall registers a slight drop compared to October but remains relatively high. Winds decrease further, resulting in calmer days compared to the past few months. Weather in November »

Weather in December

Rounding out the year, December brings back some of Tauhunu's classic elements, with warmer conditions and appreciable rainfall at 141mm (5.55"). Winds moderately pick up to 19.3km/h (12mph), adding a refreshing contrast to the tropical air. Weather in December »
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Frequently asked questions

What is the rainiest month in Tauhunu?

January is the month with the most rainfall in Tauhunu. Rain falls for 25.4 days and accumulates 266mm (10.47") of precipitation.

How much does it rain in Tauhunu?

Throughout the year, there are 280.1 rainfall days, and 1598mm (62.91") of precipitation is accumulated.

What are the months with the warmest sea water in Tauhunu?

The months with the warmest seawater in Tauhunu are January through June, October through December, with an average sea temperature of 29°C (84.2°F).

What is the month with the least sunshine in Tauhunu?

January has the least sunshine of the year in Tauhunu, Cook Islands, with an average of 7.5h of sunshine.

When is the highest UV index in Tauhunu?

The months with the highest UV index in Tauhunu, Cook Islands, are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Tauhunu?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What are the most humid months in Tauhunu?

February through October, with an average relative humidity of 76%, are most humid months.

What part of the year is the hottest in Tauhunu?

April is the warmest month, exhibiting average temperatures of 29.1°C (84.4°F) at the peak and 28.1°C (82.6°F) at the base.

What is the month with the most sunshine in Tauhunu?

May, September and October, with an average of 8.3h of sunshine, are months with the most sunshine.

What is the month with the shortest days in Tauhunu?

June has the shortest days of the year in Tauhunu, Cook Islands, with an average of 11h and 30min of daylight.

What months are the sea coldest in Tauhunu?

July through September, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Tauhunu.

What are the coldest months in Tauhunu?

During the coldest month in Tauhunu, September, temperatures average a high of 27.8°C (82°F) and a low of 27.1°C (80.8°F).

What is the driest month in Tauhunu?

The month with the least rainfall in Tauhunu, Cook Islands, is September, when the rain falls for 20.8 days and typically collects 63mm (2.48") of precipitation.

What is the least humid month in Tauhunu?

With an average relative humidity of 74%, December is the least humid month.

When are the longest days in Tauhunu?

December has the longest days of the year, with an average of 12h and 42min of daylight.

Is there Daylight Saving Time (DST) in Tauhunu?

Tauhunu does not observe Daylight Saving Time (DST). -10 timezone is used throughout the entire year.

Average temperature
Tauhunu, Cook Islands

Average temperature - Tauhunu, Cook Islands

The warmest month (with the highest average high temperature) is April (29.1°C).
The month with the lowest average high temperature is September (27.8°C).

The month with the highest average low temperature is April (28.1°C).
The coldest month (with the lowest average low temperature) is August (26.8°C).

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Average pressure
Tauhunu, Cook Islands

Average pressure - Tauhunu, Cook Islands

The months with the highest atmospheric pressure are August and September (1011.5mbar).
The month with the lowest atmospheric pressure is January (1008.6mbar).

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Average wind speed
Tauhunu, Cook Islands

Average wind speed - Tauhunu, Cook Islands

The windiest month (with the highest average wind speed) is July (25.5km/h).
The calmest month (with the lowest average wind speed) is November (17.9km/h).

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Average humidity
Tauhunu, Cook Islands

Average humidity - Tauhunu, Cook Islands

The months with the highest relative humidity are February, March, April, May, June, July, August, September and October (76%).
The month with the lowest relative humidity is December (74%).

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Average rainfall
Tauhunu, Cook Islands

Average rainfall - Tauhunu, Cook Islands

The wettest month (with the highest rainfall) is January (266mm).
The driest month (with the least rainfall) is September (63mm).

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Average rainfall days
Tauhunu, Cook Islands

Average rainfall days - Tauhunu, Cook Islands

The month with the highest number of rainy days is March (28.7 days).
The month with the least rainy days is July (18.6 days).

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Average sea temperature
Tauhunu, Cook Islands

Average sea temperature - Tauhunu, Cook Islands

The best months for swimming (with the highest average sea temperature) are January, February, March, April, May, June, October, November and December (29°C).
The coldest months (with the lowest average sea temperature) are July, August and September (28°C).

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Average daylight / Average sunshine
Tauhunu, Cook Islands

Average daylight / Average sunshine - Tauhunu, Cook Islands

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

The months with the most sunshine are May, September and October (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

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Average sunshine days
Tauhunu, Cook Islands

Average sunshine days - Tauhunu, Cook Islands

The month with the most sunshine days is July (9.1 days).
The month with the least sunshine days is March (1.3 days).

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Average UV index
Tauhunu, Cook Islands

Average UV index - Tauhunu, Cook Islands

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average visibility
Tauhunu, Cook Islands

Average visibility - Tauhunu, Cook Islands

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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Tauhunu, Cook Islands

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