Climate and monthly weather forecastTengatangi, Cook Islands
Climate and monthly weather forecast
The climate of Tengatangi
Tengatangi in the Cook Islands finds its location in the South Pacific Ocean, bearing the Köppen climate classification of Af, representing a tropical rainforest climate. This implies high temperatures and abundant rainfall throughout the year. Its proximity to the equator ensures a steamy tropical climate where temperatures barely fluctuate.Throughout the year, the average high temperature varies subtly, peaking at 27.7°C (81.9°F) in March and dropping to its lowest at 23.8°C (74.8°F) in August. The low-temperature ranges from 26.7°C (80.1°F) in March to 22.8°C (73°F) in August. This minor temperature variation ensures a predominantly warm climate throughout the year.
Rains drench the tropical islands of Tengatangi frequently. The monthly average rainfall swings from a high of 155mm (6.1") in January and March to a low of 29mm (1.14") in August. Months with significant rainfall days include January, March, and December, all having over 22 days of rainfall. Meanwhile, August has the fewest rainy days, with rain falling on roughly ten days on average.
The sun graces this tropical paradise abundantly. The sunshine duration ranges from 5.7 hours per day in June to 8.9 hours per day in November. Sunlit days are the fewest in January and December, corresponding to the months with the highest rainfall.
The best time to visit Tengatangi
For travelers preferring warm temperatures and a relatively dry period, the best time is between June and September. During these months, rainfall drops to the lowest, with May averaging 38mm (1.5") and August just 29mm (1.14") of rain. Moreover, the lower number of rainy days ensures ample sunlit days, allowing visitors to enjoy outdoor activities without worrying about sudden showers. The UV index stays at around 6 units, suggesting moderate exposure level to harmful Ultraviolet rays.The worst time to visit Tengatangi
From January to March and in December, the weather stays stormy overlooking the Cook Islands with the maximum rainfall. As a consequence, outdoor activities might be compromised due to frequent and heavy rainfalls. The relative humidity remains high too, enhancing the mugginess of the air that some travelers might find unpleasant.Spring weather in Tengatangi
In Tengatangi, spring months from September to November are characterized by declining rainfall and increasing temperatures. The rainfall goes from 30mm (1.18") in September, rises to 82mm (3.23") in October then drops again to 74mm (2.91") in November. This period also marks the transition from cooler to warmer months as the average high temperatures hover from 24.2°C (75.6°F) in September to 25.5°C (77.9°F) in November.Summer weather in Tengatangi
Although it bears a tropical climate, Tengatangi eases a little in December through February, which is usually considered summer. High temperatures range from 26.5°C (79.7°F) in December, reach the peak at 27.7°C (81.9°F) in March, and follow a minor dip to 27.3°C (81.1°F) in February. However, the island streets seem desolate as rain shadows the island heavily in these months with high average monthly rainfall of 153mm (6.02") in December, 155mm (6.1") in January.Autumn weather in Tengatangi
The tropical paradise approaches autumn from March to May, characterized by a slow drop in temperatures and decreased rainfall. March maintains a high temperature at 27.7°C (81.9°F), which drops to 26.3°C (79.3°F) by May. Rainfall also shows a decreasing trend from 155mm (6.1") in March to 38mm (1.5") by June.Winter weather in Tengatangi
June to August are officially the winter months in Tengatangi, marked by lowest temperatures and rainfall of the year. The high temperature dips to its lowest at 23.8°C (74.8°F) in August, while the monthly rainfall drops to its nadir with only 29mm (1.14") in August. The reduced rainfall corresponds with more sunlit days and fewer cloudy days, making it a preferable period for tourists.Weather in January
Following closely on the heels of December, January weather sustains a comparable atmosphere in Tengatangi, Cook Islands. Heat is abundant with temperatures peaking at 27.2°C (81°F), juggling slightly with a low of 26.5°C (79.7°F). Weather in January »Weather in February
Transitioning from January to February, residents observe only subtle fluctuations in Tengatangi’s weather patterns. February tries to compete with the preceding month, featuring a high-temperature rise to 27.4°C (81.3°F). Weather in February »Weather in March
As Tengatangi moves from February into March, no significant deviations punctuate the prototypical tropical climate. The highest temperature in March hits 27.7°C (81.9°F), clearly indicating that the heat isn't ready to bid farewell. Weather in March »Weather in April
In April, Tengatangi heralds some noticeable changes, waving goodbye to the consistency of the previous months. Dropping from the previous high in March, April strikes a less heated pose with a high of 27.3°C (81.1°F). Balancing the slightly dimmed heat with a nearly comparable degree of humidity, the month provides an overall convivial environment. Weather in April »Weather in May
As May rolls in, it brings noticeable shifts in Tengatangi’s climate, setting it apart from April. With temperatures reaching a lower high of 26.3°C (79.3°F), the subtle chill in the air becomes more apparent. While the sun continues to shine with unrelenting intensity, the lower temperature and moderated wind speed dictate a more pleasant atmosphere. Weather in May »Weather in June
June in Tengatangi marks the onset of relative coolness, with the mercury dipping even lower compared to May. Topping off at 25°C (77°F), the weather leans increasingly towards milder temperatures. While sunlight continues to pour generously, the partially cloud-laden sky paints a picturesque backdrop. Weather in June »Weather in July
July invites a further dip in Tengatangi’s temperature, hitting a high of 24.5°C (76.1°F), signaling a continuous drift towards cooler climates. Though the stark difference in temperature might seem trivial, residents favor this time of the year as a break from the unyielding heat. Weather in July »Weather in August
Continuing the trail of milder temperatures, August reaches a high of 23.8°C (74.8°F) in Tengatangi. This, coupled with the typically less rainfall, makes it a favorable month for outdoor activities. The sun casts a warm glow, while the soft gusts of wind ensure a pleasant ambiance. Weather in August »Weather in September
September witnesses Tengatangi slowly veering back to warmer weather with temperatures rising to a high of 24.2°C (75.6°F). Even though sunlight resumes dominance, the mild drop in wind speed ensures a fine balance. The stable weather makes way for clear, blue skies and a sun that shines persistently but not overwhelmingly. Weather in September »Weather in October
October in Tengatangi sees the gradual resurgence of the island's typical warm climate, featuring a high of 24.5°C (76.1°F). Despite the increased degree of sunshine, the weather upholds a temperate balance. The cool breeze caresses the island, keeping the escalating heat in check. Weather in October »Weather in November
November marks the true return of the tropical weather that Tengatangi is known for, driving temperatures up to a high of 25.5°C (77.9°F). Punctuated by the robust sun and enhanced humidity, November is a classic tropical month. Weather in November »Weather in December
The year culminates with December offering temperatures soaring up to a high of 26.5°C (79.7°F). December in Tengatangi is characterized by the twin forces of warmth and humidity, with factors such as wind speed and pressure contributing to the overall climate. 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
The wettest months in Tengatangi are January and March, with an average 155mm (6.1") of rainfall.
Throughout the year, in Tengatangi, Cook Islands, there are 211.1 rainfall days, and 1084mm (42.68") of precipitation is accumulated.
January through March, May, November and December, with an average maximum UV index of 7, are months with the highest UV index in Tengatangi.
The warmest month in Tengatangi, Cook Islands, is March, with an average high-temperature of 27.7°C (81.9°F) and an average low-temperature of 26.7°C (80.1°F).
The months with the lowest UV index in Tengatangi, Cook Islands, are April, June through October, with an average maximum UV index of 6.
June and August, with an average relative humidity of 76%, are the least humid months in Tengatangi.
With an average of 10h and 54min of daylight, June has the shortest days of the year.
June has the least sunshine of the year in Tengatangi, with an average of 5.7h of sunshine.
With average high temperatures of 23.8°C (74.8°F) and lows of 22.8°C (73°F), August is the coldest month in Tengatangi.
The month with the least rainfall in Tengatangi, Cook Islands, is August, when the rain falls for 10.3 days and typically collects 29mm (1.14") of precipitation.
November and December, with an average relative humidity of 79%, are most humid months.
With an average of 8.9h of sunshine, November has the most sunshine of the year in Tengatangi, Cook Islands.
With an average of 13h and 18min of daylight, December has the longest days of the year.
Tengatangi, Cook Islands, does not utilize Daylight Saving Time (DST). -10 timezone is used over the entire year.
Average temperature
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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
Tengatangi, Cook Islands
- Average daylight in January:
13h and 12min - Average daylight in February:
12h and 42min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 12min - Average daylight in June:
10h and 54min
- Average daylight in July:
11h and 6min - Average daylight in August:
11h and 30min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 6min - Average daylight in December:
13h and 18min
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 48min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
6h and 24min - Average sunshine in June:
5h and 42min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
8h and 54min - Average sunshine in December:
8h and 36min
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
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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
Tengatangi, 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).
