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Contents
- The climate of Ngatiarua
- The best time to visit Ngatiarua
- The worst time to visit Ngatiarua
- Spring weather in Ngatiarua
- Summer weather in Ngatiarua
- Autumn weather in Ngatiarua
- Winter weather in Ngatiarua
- 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 Ngatiarua
Ngatiarua, found in the Cook Islands, fits into the Köppen climate classification designated as Am, meaning tropical monsoon climate. This geographical position, located between the Tropic of Cancer and the Tropic of Capricorn, is influenced by warm air masses, guaranteeing a consistent temperature throughout the year and high levels of humidity.
The temperature levels in Ngatiarua shows modest variation over the year. From a low of 22.8°C (73°F) in August to a high of 27.7°C (81.9°F) in March. The least difference between the high and low temperatures, less than a 1°C (33.8°F) difference, occurs in February, March, and December. Humidity levels remain relatively consistent throughout the year registering between 76 to 79%.
Rainfall observed in Ngatiarua presents a dissimilar but discernible pattern. The wettest periods are typically around February, March, and December, where one can observe rainfall between 138mm (5.43") to 155mm (6.1"). It contrasts sharply with drier periods between May to September when rainfall dips to a low record of 29mm (1.14") in August. Sunshine hours per day float between 5.7 hours in June and 8.9 hours in November, and wind speeds vary between 20.4km/h (12.7mph) to 25km/h (15.5mph). These climatological facets together fabricate the unique weather conditions of Ngatiarua.
The temperature levels in Ngatiarua shows modest variation over the year. From a low of 22.8°C (73°F) in August to a high of 27.7°C (81.9°F) in March. The least difference between the high and low temperatures, less than a 1°C (33.8°F) difference, occurs in February, March, and December. Humidity levels remain relatively consistent throughout the year registering between 76 to 79%.
Rainfall observed in Ngatiarua presents a dissimilar but discernible pattern. The wettest periods are typically around February, March, and December, where one can observe rainfall between 138mm (5.43") to 155mm (6.1"). It contrasts sharply with drier periods between May to September when rainfall dips to a low record of 29mm (1.14") in August. Sunshine hours per day float between 5.7 hours in June and 8.9 hours in November, and wind speeds vary between 20.4km/h (12.7mph) to 25km/h (15.5mph). These climatological facets together fabricate the unique weather conditions of Ngatiarua.
The best time to visit Ngatiarua
Considering the climate conditions discussed above, June through August appears as the best period to visit Ngatiarua. During these months, rainfall is at its lowest levels, registering between 29mm (1.14") to 38mm (1.5"), with an average of 10 to 14 days of rainfall per month. Sunshine hours per day range from 5.7 hours to 7 hours, which, although lower than other periods, is still ample for enjoying the outdoors. The temperature during this period ranges between 23.8°C (74.8°F) to 25°C (77°F), which is relatively lower than other parts of the year but still warm for outdoor activities.
The worst time to visit Ngatiarua
The period from January to March is arguably the worst time for a visit to Ngatiarua, as this is when the highest levels of rainfall occur, with an average of 138mm (5.43") to 155mm (6.1"). The number of days with rainfall ranges from 20 to 24 days per month during this time. Although the temperature is at its highest, hovering around 27.2°C (81°F) to 27.7°C (81.9°F), the frequent showers may limit outdoor explorations.
Spring weather in Ngatiarua
From September to November, Ngatiarua experiences its spring season. During this time, temperatures slowly climb from 23.8°C (74.8°F) in September to 25.5°C (77.9°F) in November. A steady increase in rainfall is also noticeable, starting with 30mm (1.18") in September to 74mm (2.91") in November. To put this into perspective, the number of days with rainfall hover around 12 to 16 days per month.
Summer weather in Ngatiarua
December through February marks the summer season in Ngatiarua. Amidst these months, temperatures scale their peak, reaching up to 27.7°C (81.9°F) in February. Alongside, the summer months are also the rainiest, with rainfall levels oscillating between 138mm (5.43") and 155mm (6.1"). It ensures higher humidity, peaking at 78% to 79%.
Autumn weather in Ngatiarua
During the autumn months from March to May, there is an evident decline in temperature. It goes down from 27.3°C (81.1°F) in March to 25°C (77°F) in May. Correspondingly, rainfall levels drop, with May experiencing as low as 99mm (3.9") of rain. This decrease in rainfall culminates in lowered humidity levels, hovering around 77% to 78%.
Winter weather in Ngatiarua
Winter in Ngatiarua, which extends from June to August, exhibits lower temperatures and decreased rainfall. Temperatures maintain between 23.8°C (74.8°F) and 25°C (77°F). Rainfall is at its lowest, with August seeing as little as 29mm (1.14"). Despite the lower rainfall, humidity levels remain relatively high, between 76% and 77%, due to the overall tropical climate conditions.
Weather in January
The first month of the year in Ngatiarua, Cook Islands, often brings high humidity, reaching up to 78%. The persistent moisture contributes to rainfall amounts, with extended tropical downpours evident throughout the month. Dominated by warmth, January weather can be unpredictable at times, with swift changes from bright sunshine to short-lived showers. Weather in January »
Weather in February
Moving to February, the weather in Ngatiarua exhibits minor differences compared to the preceding month. Despite lower rainfall amounts, the climate remains warm and humid throughout the month. Visitors can enjoy an average of 12.7 hours of daylight, providing ample opportunity to explore the gorgeous island landscapes. Weather in February »
Weather in March
In March, Ngatiarua's climate experiences subtle changes. Compared to February, the temperature range shifts slightly higher, accompanied by a consistent wind speed that provides a refreshing escape from the heat. It becomes increasingly important for locals and visitors to protect themselves due to the high UV index in March. Weather in March »
Weather in April
As Ngatiarua transitions into April, there are slight decreases in temperature and rainfall, providing a break from March's intense weather patterns. The introduction of longer daylight hours allows residents and tourists to engage in outdoor activities for extended periods. Weather in April »
Weather in May
May in Ngatiarua signals the start of mild alterations in the weather. Noticeable shifts in temperatures indicate a gradual decline, making the atmosphere slightly cooler. Despite the drop in temperature, daylight hours continue to shrink, creating extended evenings that locals can enjoy. Weather in May »
Weather in June
June signifies the midpoint of the year in Ngatiarua and brings with it a significant drop in rainfall. Concurrently, the daylight hours reduce further, resulting in longer evenings that offer a serene experience to its inhabitants. Weather in June »
Weather in July
Transitioning into July, Ngatiarua experiences a near-constant temperature with minor fluctuations. Moreover, this month brings with it an extension in daylight hours, signifying the start of brighter days ahead. The availability of ample sunlight combined with relatively low rainfall makes July an excellent month for outdoor activities. Weather in July »
Weather in August
The weather in August at Ngatiarua sees a continuation of July's trends, but with a slight dip in temperatures. There is a noticeable improvement in daylight hours, allowing visitors to explore the island's beautiful landscapes for longer. Weather in August »
Weather in September
September in Ngatiarua greets residents with consistent temperatures and a surge in rainfall. The increase in showers doesn't disrupt outdoor activities, as the rainfall is primarily concentrated in quick, short sessions. Longer daylight hours combined with clear visibility allow for scenic views of the island and its picturesque surroundings. Weather in September »
Weather in October
In October, Ngatiarua experiences a noticeable rise in temperature, signaling a transition towards a warmer climate. This increase, however, doesn't lead to uncomfortable conditions, as the relative humidity remains steady. The bright sunshine allows for a myriad of outdoor activities, with clear skies promising undisturbed views of the island's stunning topography. Weather in October »
Weather in November
As Ngatiarua steps into November, the weather continues to remain warm, with a constant increase in daylight hours. Despite the rise in temperature, the weather remains pleasant, primarily due to the drop in relative humidity. Weather in November »
Weather in December
Closing the year, December's weather in Ngatiarua substantially resembles conditions seen in November, with a slight increase in humidity and rainfall. Consistently warm temperatures combined with a high humidity index can make the weather feel increasingly muggy. 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 rainiest month in Ngatiarua?
The wettest months are January and March, with an average 155mm (6.1") of rainfall.
How many days does it rain in Ngatiarua?
Throughout the year, in Ngatiarua, Cook Islands, there are 211.1 rainfall days, and 1084mm (42.68") of precipitation is accumulated.
When is the highest UV index in Ngatiarua?
January through March, May, November and December, with an average maximum UV index of 7, are months with the highest UV index.
What month is the hottest in Ngatiarua?
March, with average temperatures reaching a high of 27.7°C (81.9°F) and a low of 26.7°C (80.1°F), is the warmest month.
When is the lowest UV index in Ngatiarua?
April, June through October, with an average maximum UV index of 6, are months with the lowest UV index in Ngatiarua.
What are the least humid months in Ngatiarua?
The months with the lowest humidity are June and August, with an average relative humidity of 76%.
What is the month with the shortest days in Ngatiarua?
June has the shortest days of the year in Ngatiarua, with an average of 10h and 54min of daylight.
What is the month with the least sunshine in Ngatiarua?
The month with the least sunshine in Ngatiarua is June, with an average of 5.7h of sunshine.
What is the coldest time of year in Ngatiarua?
August, with an average high of 23.8°C (74.8°F) and a low of 22.8°C (73°F), signifies the coldest month of the year in Ngatiarua.
What is the driest month in Ngatiarua?
August is the month with the least rainfall in Ngatiarua, Cook Islands. Rain falls for 10.3 days and accumulates 29mm (1.14") of precipitation.
What is the most humid month in Ngatiarua?
November and December, with an average relative humidity of 79%, are most humid months in Ngatiarua, Cook Islands.
What month has the most sunshine in Ngatiarua?
The month with the most sunshine in Ngatiarua is November, with an average of 8.9h of sunshine.
When are the longest days in Ngatiarua?
With an average of 13h and 18min of daylight, December has the longest days of the year in Ngatiarua, Cook Islands.
Is there Daylight Saving Time (DST) in Ngatiarua?
Ngatiarua does not utilize Daylight Saving Time (DST). -10 timezone is used throughout the entire year.
Average temperature
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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 1min - 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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
Ngatiarua, 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).
Ngatiarua, Cook Islands
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