Yearly & Monthly weather - Oneroa Village, Cook Islands

The climate of Oneroa Village

Oneroa Village, located in the Cook Islands, endures a tropical rainforest climate. According to the classification system developed by climatologist Wladimir Köppen, it falls under the Af category. This suggests that the village would experience high temperatures throughout the year, coupled with significant rainfall.

Reviewing the monthly data, it is clear that Oneroa Village experiences consistently warm temperatures and ample rainfall all year round. Monthly average temperatures range from 25°C (77°F) to 29°C (84.2°F), providing balmy weather throughout the year. Rainfall is quite regular, ranging from 102mm (4.02") to 236mm (9.29"), with maximum rainfall usually observed in the first few months of the year.

Monitoring the data also presents noticeable monthly fluctuations in sunlight exposure and ultraviolet (UV) radiation. Daylight hours vary from 10.8 to 13.5, and UV index fluctuates between 6 and 12. Greater sunlight exposure and higher UV indexes are registered between November and March, which coincide with higher temperatures and rainfall.

Special attention should be directed towards January and February where there is typically a concentration of high UV indexes, high rainfall and extensive daylight hours. This period marks the unique weather pattern of Oneroa Village.

The best time to visit Oneroa Village

Given the region's tropical rainforest climate, the timing of a visit to Oneroa Village is primarily influenced by personal preferences. Those preferring a milder climate with less rainfall and cooler sea temperatures should consider visiting between May and October. During this period, rainfall is significantly lower, dropping as low as 102mm (4.02") in July. Sea temperatures also cool down to approximately 24°C (75.2°F) from June to October, offering a refreshing swimming experience for visitors.

The worst time to visit Oneroa Village

For travelers mindful about high temperature, intense UV exposure, and heavy precipitation, January and February may not be the ideal time to visit Oneroa Village. These two months experience the highest rainfall, exceeding 230mm (9.06"), as well as a peak UV index of 12. Temperature, both of the environment and sea, also surge, making it potentially uncomfortable for those unaccustomed to such a hot and humid climate.

Spring weather in Oneroa Village

According to the monthly data, Oneroa Village in spring offers warm weather (about 29°C (84.2°F)) from September to November but with escalating rainfall. While September and October receive relatively lesser rainfall, and UV index (from 10 to 6), indicating a relatively cooler and drier climate.

Winter weather in Oneroa Village

The winter in Oneroa Village, stretching from June to August, is marked by the lowest temperatures, rainfall, and UV indexes for the year. Average temperatures range from 25°C (77°F) to 26°C (78.8°F), rainfall drops between 102mm (4.02") and 124mm (4.88"), and UV index hits the lowest mark at 6. Consequently, winter in Oneroa Village bears mild temperatures and lowered rainfall - allowing for a cooler and more comfortable climate for visitors.

Weather in January

In January, Oneroa Village embarks on a journey of lush vegetation, with regularly occurring rainfall soaking the tropical landscapes. The rainfall, registering 236mm (9.29"), douses the city on about 17 days, causing the flora to bloom in vibrant color. Weather in January »

Weather in February

Despite the overlapping weather patterns from January to February, Oneroa Village enjoys a slight decrease in daylight hours. Rainfall persists with 234mm (9.21") falling across 16 days of the month. Cloud cover continues to dominate, casting a myriad of hues during sunrise and sunset across the Island. Weather in February »

Weather in March

Oneroa Village marches into March with noticeable changes in its weather temperament. Daylight hours continue to dwindle from 12.8h to 12.2h, leading to nuanced transitions within the Island's landscape. Sea temperature peaks at 28°C (82.4°F), making March the ideal month for aquatic excursions across the azure waters. Weather in March »

Weather in April

Entering April, Oneroa Village experiences a considerable drop in rainfall from 177mm (6.97") to 225mm (8.86"). This decrease in precipitation coupled with shorter daylight hours hints at the shift towards the drier season. The generous cloud cover gives way to clearer, brighter skies, allowing the city to bask in sunshine. Weather in April »

Weather in May

May in Oneroa Village arrives with a considerable crispness in night-time temperatures signifying a retreat from the hitherto hot climate. With the decline in rainfall to 177mm (6.97"), the Village starts gravitating towards a sunnier disposition. Weather in May »

Weather in June

June introduces Oneroa Village to an era of reduced rainfall as the total precipitation dips to 108mm (4.25"). The decrease in rainfall corresponds with muted sunlight due to the shortest daylight duration experienced during the year. Weather in June »

Weather in July

July in Oneroa Village is characterized by the further tempering of climatic extremes. The Island sees a dip in rainfall levels to 102mm (4.02"), leading to more prominent dry phases. Despite being one of the cooler months, July marches on with steady daytime temperatures and a consistent UV index. Weather in July »

Weather in August

In August, Oneroa Village experiences another augment in rainfall, rising to 124mm (4.88") for the month. This gradual rainfall increase does not bring about dramatic changes in the weather, maintaining a largely stable atmosphere. Weather in August »

Weather in September

September sees Oneroa Village re-embrace the warmer weather, with temperatures rising steadily towards the month's end. A decrease in the rainfall amount to 102mm (4.02") marks the heart of the dry season. Increased sunshine hours ensure visitors and locals spend the majority of their day outdoors, basking in the tropical temperature. Weather in September »

Weather in October

In October, Oneroa Village gradually adjusts to hotter temperatures, paving the way for the arrival of summer. A rise in rainfall to 130mm (5.12") results in humidity casting its soothing chambers on the island. UV index reaches its annual maximum, transforming solar rays into vibrant light textures. Weather in October »

Weather in November

November represents a transition phase in Oneroa Village's climatic conditions. A progressive increase in rainfall to 156mm (6.14") prepares the Island for the impending downpours. Prolonged sunlight hours create visually engaging morning and evening hues. Weather in November »

Weather in December

December signals the end of the year in Oneroa Village with an impressive climatic fanfare. Rainfall peaks at 180mm (7.09"), concluding the dry spell and welcoming a vibrant wet season. Maximum daily sunlight hours pepper the city, painting vivid imagery across the sky. Weather in December »

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Oneroa Village?

January through March represent the warmest period in Oneroa Village, Cook Islands, with an average high-temperature of 29°C (84.2°F).

What is the rainiest month in Oneroa Village?

January is the month with the most rainfall in Oneroa Village. Rain falls for 17 days and accumulates 236mm (9.29") of precipitation.

How many days does it rain in Oneroa Village?

Throughout the year, there are 114 rainfall days, and 1951mm (76.81") of precipitation is accumulated.

What is the month with the most sunshine in Oneroa Village?

January and March, with an average of 17h of sunshine, are months with the most sunshine in Oneroa Village, Cook Islands.

What are the months with the highest UV index in Oneroa Village?

The months with the highest UV index are January through March, October through December, with an average maximum UV index of 12.

What month is the sea warmest in Oneroa Village?

With an average sea temperature of 28°C (82.4°F), March is the month with the warmest seawater in Oneroa Village, Cook Islands.

What is the month with the shortest days in Oneroa Village?

June has the shortest days of the year, with an average of 10h and 48min of daylight.

When is the lowest UV index in Oneroa Village?

The months with the lowest UV index in Oneroa Village, Cook Islands, are June and July, with an average maximum UV index of 6.

What part of the year is the coldest in Oneroa Village?

Temperatures in Oneroa Village reach their minimum during July and August, recording an average high-temperature of 25°C (77°F).

What is the driest month in Oneroa Village?

July and September are months with the least rain when the rain falls for 5 days and typically aggregates up to 102mm (4.02") of rain.

What are the months with the coldest sea water in Oneroa Village?

July through October, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater in Oneroa Village.

What is the month with the least sunshine in Oneroa Village?

The month with the least sunshine is August, with an average of 3h of sunshine.

When are the longest days in Oneroa Village?

With an average of 13h and 24min of daylight, December has the longest days of the year in Oneroa Village, Cook Islands.

Is there Daylight Saving Time (DST) in Oneroa Village?

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

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Average temperature
Oneroa Village, Cook Islands

Average high temperature in January:
29°C
Average high temperature in February:
29°C
Average high temperature in March:
29°C
Average high temperature in April:
28°C
Average high temperature in May:
27°C
Average high temperature in June:
26°C

Average high temperature in July:
25°C
Average high temperature in August:
25°C
Average high temperature in September:
26°C
Average high temperature in October:
26°C
Average high temperature in November:
27°C
Average high temperature in December:
28°C

The warmest months (with the highest average high temperature) are January, February and March (29°C).
The months with the lowest average high temperature are July and August (25°C).

Average low temperature in January:
23°C
Average low temperature in February:
23°C
Average low temperature in March:
23°C
Average low temperature in April:
22°C
Average low temperature in May:
21°C
Average low temperature in June:
19°C

Average low temperature in July:
19°C
Average low temperature in August:
19°C
Average low temperature in September:
19°C
Average low temperature in October:
20°C
Average low temperature in November:
21°C
Average low temperature in December:
22°C

The months with the highest average low temperature are January, February and March (23°C).
The coldest months (with the lowest average low temperature) are June, July, August and September (19°C).

Average rainfall
Oneroa Village, Cook Islands

The wettest month (with the highest rainfall) is January (236mm).
The driest months (with the least rainfall) are July and September (102mm).

Average rainfall days
Oneroa Village, Cook Islands

Average rainfall days in January:
17 days
Average rainfall days in February:
16 days
Average rainfall days in March:
17 days
Average rainfall days in April:
14 days
Average rainfall days in May:
9 days
Average rainfall days in June:
6 days

Average rainfall days in July:
5 days
Average rainfall days in August:
3 days
Average rainfall days in September:
5 days
Average rainfall days in October:
5 days
Average rainfall days in November:
6 days
Average rainfall days in December:
11 days

The months with the highest number of rainy days are January and March (17 days).
The month with the least rainy days is August (3 days).

Average sea temperature
Oneroa Village, Cook Islands

Average sea temperature in January:
27°C
Average sea temperature in February:
27°C
Average sea temperature in March:
28°C
Average sea temperature in April:
27°C
Average sea temperature in May:
26°C
Average sea temperature in June:
25°C

Average sea temperature in July:
24°C
Average sea temperature in August:
24°C
Average sea temperature in September:
24°C
Average sea temperature in October:
24°C
Average sea temperature in November:
25°C
Average sea temperature in December:
26°C

The best month for swimming (with the highest average sea temperature) is March (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (24°C).

Average daylight / Average sunshine
Oneroa Village, Cook Islands

Average daylight in January:
13h and 2min
Average daylight in February:
12h and 5min
Average daylight in March:
12h and 1min
Average daylight in April:
11h and 4min
Average daylight in May:
11h and 1min
Average daylight in June:
10h and 5min

Average daylight in July:
10h and 5min
Average daylight in August:
11h and 2min
Average daylight in September:
12h and 0min
Average daylight in October:
12h and 4min
Average daylight in November:
13h and 1min
Average daylight in December:
13h and 2min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

The months with the most sunshine are January and March (Average sunshine: 17h).
The month with the least sunshine is August (Average sunshine: 3h).

Average UV index
Oneroa Village, Cook Islands

The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).

Climate and monthly weather forecastOneroa Village, Cook Islands

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