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Contents
- The climate of Nukuao
- The best time to visit Nukuao
- The worst time to visit Nukuao
- Spring weather in Nukuao
- Summer weather in Nukuao
- Autumn weather in Nukuao
- Winter weather in Nukuao
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Nukuao
Nukuao, located in the Cook Islands, is classified under the Köppen climate system as having a tropical rainforest climate. This climate condition is majorly influenced by its geographic location within the tropics. Characterized by significant rainfall throughout the year, the area experiences seldom variation in temperature, which usually ranges from 22.8°C (73°F) to 27.7°C (81.9°F).
Within a year, the average temperature varies minimally, with the highest recorded temperatures between 27.2°C (81°F) and 27.7°C (81.9°F) in the first quarter and a slight dip to the lowest temperatures ranging from 23.8°C (74.8°F) to 24.5°C (76.1°F) towards the year-end. Relative humidity in Nukuao rests around 78% to 79%, fostering a moist and humid atmosphere typical of a tropical rainforest climate.
Rainfall persists all year round with the heaviest rains occurring in the initial and final quarters of the year, peaking at 155mm (6.1") and 153mm (6.02"), respectively. The driest period is experienced from June to September, with rainfall volumes at their lowest, dipping to 29mm (1.14") in August. On average, Nukuao experiences about 14.4 to 23.5 rainy days per month across the year. Cloud coverage is consistent year-long, standing at approximately 46% to 49%.
Within a year, the average temperature varies minimally, with the highest recorded temperatures between 27.2°C (81°F) and 27.7°C (81.9°F) in the first quarter and a slight dip to the lowest temperatures ranging from 23.8°C (74.8°F) to 24.5°C (76.1°F) towards the year-end. Relative humidity in Nukuao rests around 78% to 79%, fostering a moist and humid atmosphere typical of a tropical rainforest climate.
Rainfall persists all year round with the heaviest rains occurring in the initial and final quarters of the year, peaking at 155mm (6.1") and 153mm (6.02"), respectively. The driest period is experienced from June to September, with rainfall volumes at their lowest, dipping to 29mm (1.14") in August. On average, Nukuao experiences about 14.4 to 23.5 rainy days per month across the year. Cloud coverage is consistent year-long, standing at approximately 46% to 49%.
The best time to visit Nukuao
Considering the weather elements, the optimal time for a visit to Nukuao is between June and September. During this period, not only does the island experience the least rainfall, recording volumes as low as 29mm (1.14") in August, but also records the fewest rainy days, going as low as 10.3 days in August. This period also boasts favourable temperatures, which could enhance the comfort of visitors, with highs oscillating between 23.8°C (74.8°F) and 25°C (77°F), and lows ranging from 22.8°C (73°F) to 23.9°C (75°F).
The worst time to visit Nukuao
Visitors are advised to avoid planning their trips to Nukuao in the first and last quarters of the year. These periods are characterized by the heaviest rainfall, peaking at 155mm (6.1") in January and March, and 153mm (6.02") in December. In addition to the frequent rains, temperatures are at their highest during these months, with highs ranging from 27.2°C (81°F) to 27.7°C (81.9°F), potentially imposing discomfort on visitors not accustomed to such weather conditions.
Spring weather in Nukuao
The spring season in Nukuao, July through September, welcomes an evident reduction in rainfall and a mild decrease in humidity relative to other seasons. Rainfall during this time ranges from 29mm (1.14") to 38mm (1.5"), considerably lower than figures recorded in the wet seasons. Temperatures during spring peak between 23.8°C (74.8°F) to 25°C (77°F) and fall to a low between 22.8°C (73°F) to 23.9°C (75°F). Lower humidity levels slightly fall to 76% from the 78% yearly average, contributing to the somewhat less humid conditions.
Summer weather in Nukuao
Nukuao's summer, October through December, attracts higher rainfall levels compared to the preceding spring months, with October and December experiencing higher rains, recorded at 82mm (3.23") and 153mm (6.02") respectively. Despite an escalation in precipitation, temperatures remain relatively stable with highs oscillating between 24.5°C (76.1°F) to 26.5°C (79.7°F) and lows from 23.7°C (74.7°F) to 25.6°C (78.1°F). Relative humidity during this period escalates slightly to meet the average annual humidity levels of 78-79%.
Autumn weather in Nukuao
During the autumn period, January to March, Nukuao experiences the highest rainfall of the year, with January and March seeing a soaking 155mm (6.1") each. Temperatures range from a high of 27.2°C (81°F) to 27.7°C (81.9°F) and lows of 26.5°C (79.7°F) to 26.7°C (80.1°F). Despite the soaring temperatures and high humidity levels typical of this period, the UV index remains constant at 7 throughout.
Winter weather in Nukuao
The island's winter months, April to June, see a noticeable decrease in rainfall. April records 85mm (3.35"), May sees 99mm (3.9"), and June records the lowest rainfall of the year at 38mm (1.5"). Additionally, this season experiences a drop in temperature, recording lows of 23.3°C (73.9°F) to 25.3°C (77.5°F) and highs from 25°C (77°F) to 27.3°C (81.1°F). The consistent climatological pattern in Nukuao extends to daylight hours which marginally fluctuate from 11.2h to 13.3h across the year, thus ensuring relatively stable conditions throughout the season.
Weather in January
Kicking off the year, January in Nukuao, Cook Islands showers the region with steady rainfall. The initial month ushers in a humid atmosphere, with conditions being somewhat clouded. Interestingly, the wind speeds tend to be a tad higher this month with a maximum gust speed reaching up to 32.8km/h (20.4mph). Weather in January »
Weather in February
Maintaining the trend from the previous month, Nukuao's outdoor scenery in February is still punctuated with frequent rain showers. While the temperatures remain more or less steady, there is a slight dip in wind speeds compared to January, with the maximum gust not exceeding 31.7km/h (19.7mph). Weather in February »
Weather in March
Transitioning into March, Nukuao witnesses an incremental rise in temperature. Even though the month looks similar to its predecessors regarding humidity and sunshine, the rainfall slightly increases. Wind speeds are the most appeasing this month, merely touching 21.1km/h (13.1mph) mark at maximum. Weather in March »
Weather in April
In April, Nukuao starts pulling back on the rain pedal. Although it treats locals and visitors with less rainfall compared to the preceding months, the gentle April wind steadies a notch up in its speed, while the UV index dropdown to 6. Weather in April »
Weather in May
There is an evident shift in Nukuao’s weather in May. The rainfall seems to be on a retreating trend, and a more dry, sunny climate prevails. The cool breeze of May proves to be the most brisk, with gusts reaching speeds of 33.1km/h (20.6mph). Weather in May »
Weather in June
The month of June ushers in drier conditions. Rainfall experiences a considerable decline, paving the way for more sunshine hours. The humid aura of the previous months takes a gentle turn towards a cloudier atmosphere with cooling winds blowing at speeds of around 25.7km/h (16mph) to alleviate the heat. Weather in June »
Weather in July
July, being the mid-year period, continues to uphold the dry spell. Rainfall reaches an annual low, while wind gusts hit their peak speed of 33.9km/h (21.1mph). The decreasing humidity gradually transforms the weather from cloudy to clear. Weather in July »
Weather in August
Despite being one of the driest months, August in Nukuao is more inviting. The frequency of rainfall is low, mere showers than downpours. The winds blowing at 32.1km/h (19.9mph) inspire the air to move, making the temperature feel comfortable. Weather in August »
Weather in September
Although the month of September doesn't deviate much from the conditions observed in August, it boasts noticeable changes. There's a slight reiteration of showers, but with wind speeds peaking once again at 34.5km/h (21.4mph), it keeps the weather from getting too hot. Weather in September »
Weather in October
October welcomes more rainfall compared to the preceding months, but the conditions remain relatively dry owing to the stable atmospheric pressure. The wind nurtures the island motion but does not exceed 25.4km/h (15.8mph), while daylight hours increment. Weather in October »
Weather in November
With the arrival of November, Nukuao gradually shifts towards the wet season. The rainfall amounts rise when compared to October, and a slight increase in wind speeds is perceived. Despite the high relative humidity, the ample sunlight keeps the weather pleasantly warm. Weather in November »
Weather in December
Closing the year, December welcomes frequent rain showers marking the arrival of the wet season. The climate remains impressively warm despite the increased cloud cover. The onslaught of wind gusts topping 30.8km/h (19.1mph) keeps the humidity in check. Weather in December »
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the wettest month in Nukuao?
The wettest months in Nukuao, Cook Islands, are January and March, with an average 155mm (6.1") of rainfall.
How much does it rain in Nukuao?
In Nukuao, during the entire year, the rain falls for 211.1 days and collects up to 1084mm (42.68") of precipitation.
When is the highest UV index in Nukuao?
January through March, May, November and December, with an average maximum UV index of 7, are months with the highest UV index in Nukuao, Cook Islands.
What is the hottest time of year in Nukuao?
In Nukuao, the peak temperatures are generally noted in March, averaging a high of 27.7°C (81.9°F) and a low of 26.7°C (80.1°F).
What are the months with the lowest UV index in Nukuao?
The months with the lowest UV index are April, June through October, with an average maximum UV index of 6.
What are the least humid months in Nukuao?
The months with the lowest humidity in Nukuao are June and August, with an average relative humidity of 76%.
What is the month with the shortest days in Nukuao?
The month with the shortest days is June, with an average of 10h and 54min of daylight.
What is the month with the least sunshine in Nukuao?
The month with the least sunshine in Nukuao is June, with an average of 5.7h of sunshine.
What month is the coldest in Nukuao?
The month of August sees the average lowest temperatures in Nukuao, reaching 23.8°C (74.8°F) at the peak and 22.8°C (73°F) at the low.
What is the driest month in Nukuao?
August is the month with the least rainfall in Nukuao, Cook Islands. Rain falls for 10.3 days and accumulates 29mm (1.14") of precipitation.
What are the most humid months in Nukuao?
The months with the highest humidity are November and December, with an average relative humidity of 79%.
What month has the most sunshine in Nukuao?
November has the most sunshine of the year in Nukuao, with an average of 8.9h of sunshine.
When are the longest days in Nukuao?
December has the longest days of the year in Nukuao, Cook Islands, with an average of 13h and 18min of daylight.
Is there Daylight Saving Time (DST) in Nukuao?
Nukuao does not utilize Daylight Saving Time (DST). -10 timezone is used over the entire year.
Average temperature
Nukuao, Cook Islands
The warmest month (with the highest average high temperature) is March (27.7°C).
The month with the lowest average high temperature is August (23.8°C).
The month with the highest average low temperature is March (26.7°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure
Nukuao, Cook Islands
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.8mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1013mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is January (1010.6mbar).
Average wind speed
Nukuao, Cook Islands
- Average wind speed in January:
23.1km/h - Average wind speed in February:
22.4km/h - Average wind speed in March:
20.4km/h - Average wind speed in April:
21.3km/h - Average wind speed in May:
24km/h - Average wind speed in June:
24.9km/h
- Average wind speed in July:
25km/h - Average wind speed in August:
23.8km/h - Average wind speed in September:
25.1km/h - Average wind speed in October:
24.5km/h - Average wind speed in November:
22km/h - Average wind speed in December:
21.8km/h
The windiest month (with the highest average wind speed) is September (25.1km/h).
The calmest month (with the lowest average wind speed) is March (20.4km/h).
Average humidity
Nukuao, Cook Islands
The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall
Nukuao, Cook Islands
- Average rainfall in January:
155mm - Average rainfall in February:
138mm - Average rainfall in March:
155mm - Average rainfall in April:
85mm - Average rainfall in May:
99mm - Average rainfall in June:
38mm
The wettest months (with the highest rainfall) are January and March (155mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days
Nukuao, Cook Islands
- Average rainfall days in January:
23.4 days - Average rainfall days in February:
19.8 days - Average rainfall days in March:
23.5 days - Average rainfall days in April:
20.8 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
16 days - Average rainfall days in November:
15.8 days - Average rainfall days in December:
22.9 days
The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is August (10.3 days).
Average daylight / Average sunshine
Nukuao, Cook Islands
- Average daylight in January:
13h and 1min - Average daylight in February:
12h and 4min - 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:
11h and 0min - Average daylight in August:
11h and 3min - 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 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in January:
7h and 5min - Average sunshine in February:
7h and 4min - Average sunshine in March:
7h and 4min - Average sunshine in April:
7h and 3min - Average sunshine in May:
6h and 2min - Average sunshine in June:
5h and 4min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
7h and 2min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 4min - Average sunshine in November:
8h and 5min - Average sunshine in December:
8h and 4min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days
Nukuao, Cook Islands
- Average sunshine days in January:
5.8 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
5.6 days - Average sunshine days in April:
6.5 days - Average sunshine days in May:
9.4 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.5 days - Average sunshine days in November:
9.7 days - Average sunshine days in December:
5.8 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (5.6 days).
Average UV index
Nukuao, Cook Islands
The months with the highest UV index are January, February, March, May, November and December (UV index 7).
The months with the lowest UV index are April, June, July, August, September and October (UV index 6).
Average cloud cover
Nukuao, Cook Islands
The months with the most cloud cover are January, October, November and December (Cloud cover 49).
The months with the least cloud cover are March, April and September (Cloud cover 46).
Average visibility
Nukuao, Cook Islands
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Nukuao, Cook Islands
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