Yearly & Monthly weather - Ta'anea, Tonga

The climate of Ta'anea

Ta’anea is geographically positioned within a zone of tropical rainforest climate, falling within the Köppen climate classification. The distinctive characteristic of this classification is consistently high temperatures with minimal variation and significant rainfall distributed uniformly throughout the year.

Detractors will note a defined contrast between the highest average monthly temperatures and the lowest. On the high end, the range is 29°C (84.2°F) to 30°C (86°F) established during the initial three months of the year. On the contrary, cooler weather sets in from May to August reflecting the chillier range from 26°C (78.8°F) to 27°C (80.6°F). Even the lowest temperatures stay well above the average mark, registering between 24°C (75.2°F) in the warmer months (January to March and November to December) and 21°C (69.8°F) in the coldest months of July to September.

When it comes to rainfall, Ta’anea receives substantial amounts almost uniformly throughout the year. Rainfall amounts see a peak in March, registering at 288mm (11.34") with minor fluctuations for the remainder of the year. The driest period stands between June and September with rainfall levels from 84mm (3.31") to 108mm (4.25"). The climate forms an intricate dance between the rain and temperatures, a chain reaction that keeps this island beautifully tropical and flourishing throughout the year.

Arguably the determining factor of the Ta'anea climate, UV indexes present a high range from 7 to 12 across the year offering excellent conditions for sunbathing albeit the advisability of suitable protection.

The best time to visit Ta'anea

Championed by experienced travelers, the best time to visit Ta’anea, Tonga ranges from May to October. During these months, the temperatures stay mildly cool, flipping between 26°C (78.8°F) and 27°C (80.6°F). With the relative decrease in rainfall (from 84mm (3.31") to 121mm (4.76")), these months offer a perfect balance of pleasing weather. The daylight hours stay consistent with the UV index range from 7 to 9, less harsh than the summer months but still high enough to require proper precautions.

The worst time to visit Ta'anea

Planning a trip to Ta'anea demands careful consideration of the weather, particularly the rainy season. Statistically, the most challenging period to visit falls between January and March. The combination of peak temperatures from 29°C (84.2°F) to 30°C (86°F) and highest monthly rainfall between 217mm (8.54") to 288mm (11.34"), means it’s the least favored period for travelers seeking outdoor activities.

Spring weather in Ta'anea

Seasons in Ta'anea do not follow the traditional pattern due to its tropical rainforest climate. If defined loosely, the period from March to May could be considered a transitional 'spring' period. The average high temperatures during this period drop gradually from 29°C (84.2°F) in March to 27°C (80.6°F) in May. Although rainfall is high in March at 288mm (11.34"), it gradually decreases to 121mm (4.76") by May, paving the way to the comparatively driest season of the year.

Summer weather in Ta'anea

Characterized by the tropical rainforest climate, Ta'anea's 'summer' runs from June to August. This period records the lowest temperatures and rainfall levels, marking its summer as a bit different. Temperatures cool down significantly to a gentle 26°C (78.8°F), excluding the harsh heat typically associated with summer. Rain showers still occur, ranging from 84mm (3.31") to 108mm (4.25") during this season. It's a time of eased temperatures, decreased rainfall, and longer sunny spells.

Autumn weather in Ta'anea

The period from September to November could be classified as Ta'anea's 'autumnal' season. The temperatures during this period increase marginally from 26°C (78.8°F) to 28°C (82.4°F), and rainfall levels rise moderately from 108mm (4.25") to 153mm (6.02"). Daylight hours also start to extend from 11.5 hours in September to 13 hours in November painting a beautiful tropical 'autumn' scene.

Winter weather in Ta'anea

The winter months - December to February - while not chilly by most standards, are warm in Ta'anea. The temperatures remain consistently high during these months, from 28°C (82.4°F) to 30°C (86°F). Coupled with this, the rainfall levels are also comparatively high. In December, the rainfall is 155mm (6.1") which swiftly increases to 220mm (8.66") by January. Daylight hours slightly decrease to around 12.7 hours in February, complementing the charming tropical 'winter' experience.

Weather in January

January in Ta'anea, Tonga, ushers in the year with high temperatures fluctuating between 24°C (75.2°F) to 29°C (84.2°F). It is often the month the territory receives the second-highest rainfall with 220mm (8.66") pour over 18 days, setting a humid landscape. Weather in January »

Weather in February

Come February, Ta'anea maintains its slightly cooled temperatures from the previous month. Rainfall decreases slightly from January, recorded as 217mm (8.54") dropping over 16 days. Significant UV index of 12 persists, signaling the continued need for sun protection. Weather in February »

Weather in March

In March, Ta'anea hits its maximum recorded rainfall for the year with 288mm (11.34") over 18 days, marking it as one of the wettest periods. However, the highs and lows of temperatures do not change significantly from February. Advancement into the month sees a gradual reduction in daylight, hinting at the incoming fall season. Weather in March »

Weather in April

April sees a noticeable change in Ta'anea's weather with fewer rainy days; rainfall declines after the peak in the previous month to 204mm (8.03"). This month experiences a slight fall in both ambient and sea temperatures. Though sunshine hours experience a subtle decrease, daylight duration per day continues its gradual descent. Weather in April »

Weather in May

Ta'anea's weather significantly dries up in May, with rainfall dropping to 121mm (4.76"). This month also experiences a subtle decrease in ambient temperature; the sea temperature equally follows suit. Nonetheless, the reduction in natural light is more noticeable as daily daylight lowers to around 11.2 hours. Weather in May »

Weather in June

In June, rainfall in Ta'anea, Tonga, decreases to its lowest in the year at 84mm (3.31") spread across only six days. There is a marginal decrease in both land and sea temperatures as the weather further moves away from the summer heat. Weather in June »

Weather in July

Ta'anea's weather in July witnesses a marginal increase in rainfall from June, recorded at 90mm (3.54"). The air and sea temperatures, however, take a slight dip and clock their lowest for the year. Falling daylight hours hits its nadir and a soft rise is observed as the month progresses. Weather in July »

Weather in August

August in Ta'anea sees a modest surge in rain with 108mm (4.25") rainfall, an upward trend in the amount of precipitation. The temperatures, both terrestrial and marine, remain consistently low, reflecting the region's cooler period. Weather in August »

Weather in September

September signals the commencement of increasing rainfall in Ta'anea, with 138mm (5.43") precipitation recorded. The temperature starts to climb, both in the ocean and on land, showing signs of the returning warmer weather. Consistent with the trend, daylight hours continue to increase providing longer, brighter days. Weather in September »

Weather in October

As October approaches in Ta'anea, the rainfall continues to increase, recording 130mm (5.12") over 4 days. Both sea and ambient temperatures continue their rise from September as the warmth intensifies. The daylight hours increase while sunshine hours plateau, maintaining consistency with the overall trend towards loner days. Weather in October »

Weather in November

November weather in Ta'anea presents increased rainfall, with 153mm (6.02") precipitation recorded, and the trend of increasing temperatures continues. This progress maintains the routine of warm, wet conditions that the closing months of the year are known for. Weather in November »

Weather in December

December concludes the year in Ta'anea with a rainfall of 155mm (6.1") over 12 days, rounding off the monsoon. This month also witnesses a stabilization of both atmospheric and sea temperatures. Despite the continuous heavy rain, daylight hours are at their longest. Weather in December »

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Ta'anea?

In Ta'anea, Tonga, during the entire year, the rain falls for 115 days and collects up to 1908mm (75.12") of precipitation.

What months are the sea warmest in Ta'anea?

The months with the warmest seawater are January through April, with an average sea temperature of 28°C (82.4°F).

What are the months with the most sunshine in Ta'anea?

January and March, with an average of 18h of sunshine, are months with the most sunshine.

When is the highest UV index in Ta'anea?

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

What month is the hottest in Ta'anea?

Ta'anea's warmest weather arrives in February, when temperatures average a high of 30°C (86°F) and a low of 24°C (75.2°F).

What is the wettest month in Ta'anea?

The month with the most rainfall in Ta'anea is March, when the rain falls for 18 days and typically aggregates up to 288mm (11.34") of precipitation.

What is the driest month in Ta'anea?

The month with the least rainfall is June, when the rain falls for 6 days and typically collects 84mm (3.31") of precipitation.

What is the month with the shortest days in Ta'anea?

The month with the shortest days in Ta'anea, Tonga, is June, with an average of 11h and 0min of daylight.

What is the month with the lowest UV index in Ta'anea?

The months with the lowest UV index are June and July, with an average maximum UV index of 7.

What time of the year is the coldest in Ta'anea?

Ta'anea's coldest months, July and August, record an average high-temperature of 26°C (78.8°F).

When is the sea coldest in Ta'anea?

August and September, with an average sea temperature of 25°C (77°F), are months with the coldest seawater.

What is the month with the least sunshine in Ta'anea?

With an average of 3h of sunshine, August has the least sunshine of the year in Ta'anea, Tonga.

When are the longest days in Ta'anea?

The month with the longest days in Ta'anea, Tonga, is December, with an average of 13h and 12min of daylight.

Is there Daylight Saving Time (DST) in Ta'anea?

Ta'anea does not utilize Daylight Saving Time (DST). +13 timezone is used throughout the entire year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Ta'anea, Tonga

Average high temperature in January:
29°C
Average high temperature in February:
30°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:
27°C

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

The warmest month (with the highest average high temperature) is February (30°C).
The months with the lowest average high temperature are July and August (26°C).

Average low temperature in January:
24°C
Average low temperature in February:
24°C
Average low temperature in March:
24°C
Average low temperature in April:
23°C
Average low temperature in May:
22°C
Average low temperature in June:
22°C

Average low temperature in July:
21°C
Average low temperature in August:
21°C
Average low temperature in September:
21°C
Average low temperature in October:
22°C
Average low temperature in November:
22°C
Average low temperature in December:
23°C

The months with the highest average low temperature are January, February and March (24°C).
The coldest months (with the lowest average low temperature) are July, August and September (21°C).

Average rainfall
Ta'anea, Tonga

The wettest month (with the highest rainfall) is March (288mm).
The driest month (with the least rainfall) is June (84mm).

Average rainfall days
Ta'anea, Tonga

Average rainfall days in January:
18 days
Average rainfall days in February:
16 days
Average rainfall days in March:
18 days
Average rainfall days in April:
13 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:
4 days
Average rainfall days in November:
6 days
Average rainfall days in December:
12 days

The months with the highest number of rainy days are January and March (18 days).
The month with the least rainy days is August (3 days).

Average sea temperature
Ta'anea, Tonga

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

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

The best months for swimming (with the highest average sea temperature) are January, February, March and April (28°C).
The coldest months (with the lowest average sea temperature) are August and September (25°C).

Average daylight / Average sunshine
Ta'anea, Tonga

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:
11h and 0min

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 3min
Average daylight in November:
13h and 0min
Average daylight in December:
13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

The months with the most sunshine are January and March (Average sunshine: 18h).
The month with the least sunshine is August (Average sunshine: 3h).

Average UV index
Ta'anea, Tonga

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 7).

Climate and monthly weather forecastTa'anea, Tonga

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