Climate and monthly weather forecast
Nukuhetulu, Tonga

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The climate of Nukuhetulu

Nukuhetulu, Tonga, possesses a distinct tropical rainforest climate (Af), as delineated by the Köppen climate classification. This unique climate provides consistent, tropical weather patterns and gorgeous natural vistas throughout the year. The humidity relative average in Nukuhetulu floats from 75% to 80%, which is relatively high, enhancing the tropical climate experience.

Temperature patterns in Nukuhetulu don't show much variation, maintaining a consistent year-round warmth. The highest recorded temperature peaks at 27.5°C (81.5°F), with the lowest at 21.6°C (70.9°F). These figures suggest the island seldom experiences sudden temperature plunges or spikes, ensuring a steady tropical atmosphere.

Rainfall, though widespread across the year, shows considerable variation. The number of rainfall days ranges from 12.9 to 22.7 while accumulation of rainfall varies from 36mm (1.42") to 163mm (6.42") per month. This disparity suggests the occurrence of a noticeable dry season, with rain intensity lessening in certain periods.

Wind patterns seem reasonably consistent year-round, with the wind speed varying from 23.3km/h (14.5mph) to 25.6km/h (15.9mph). These figures indicate the presence of moderate, constant sea breezes that contribute to making the climate pleasant. Nukuhetulu’s visibility remains excellent throughout the year at an average 10km (6.2mi), while the cloud cover varies between 46% to 51%.

The best time to visit Nukuhetulu

For those seeking the warm embrace of tropical sun, October to December provide the highest levels of sunshine, with an average daily duration of 8.9 hours and 8.6 hours, respectively. In addition to this, the rainfall is at its lowest from September to November, with the rainfall amount falling between 36mm (1.42") and 39mm (1.54"). During this period, humidity levels decrease, extending a more hospitable climate for outdoor activities and beachside lounging.

The worst time to visit Nukuhetulu

The months between February and April may not pose the best conditions for travel considering the high rainfall recorded during these months. Rainfall is at its peak in February with an impressive 163mm (6.42"), and the number of rainfall days is the highest during these months, reaching up to 22.7 days. Despite the high levels of sunshine hours during these months, the high rainfall and humidity might somewhat dampen outdoor plans.

Spring weather in Nukuhetulu

Spring in Nukuhetulu brings about a slight change in climate, with a distinct drop in rainfall and an increase in daylight hours. From September to November, daylight hours vary from 12 hours to 13.1 hours. The levels of rainfall during these months drop significantly with averages ranging from 36mm (1.42") to 59mm (2.32").

Summer weather in Nukuhetulu

Summer is a season of increased warmth and rainfall in Nukuhetulu. Between December and February, High temperatures hover between 26.2°C (79.2°F) and 27.5°C (81.5°F). As the season progresses, rainfall picks up, reaching its peak in February at 163mm (6.42").

Autumn weather in Nukuhetulu

Autumn in Nukuhetulu, observed from March to May, manifests a marked change in weather. The rainfall offsets slightly but stays relatively high at around 151mm (5.94") in March to 86mm (3.39") in May. Daylight hours minimize, moving from 12.2 hours in March to 11.1 hours in May.

Winter weather in Nukuhetulu

Winter weather in Nukuhetulu offers a welcome respite from the heightened temperatures and humidity of the summer months. Recorded temperatures fall from 24.3°C (75.7°F) to 23.2°C (73.8°F) between June and August. Rainfall also sees a significant dip, reaching its annual low with an average of 51mm (2.01") in August.

Weather in January

The inaugural month of the year in Nukuhetulu, Tonga commences with modestly warm temperatures paired with noticeable humidity. This humidity contributes to cloudy conditions, imposing a visible veil over the sun for most of the day. Weather in January »

Weather in February

Following on from January, February's climatic disposition in Nukuhetulu further intensifies the intensity of the tropical character. The weather persists its course with increased rainfall, clocking in at 163mm (6.42"). Although the daylight hours start to decline, the sunshine duration increases mildly, indicating clearer skies between downpours. Weather in February »

Weather in March

As Nukuhetulu transitions into March, the overall weather conditions show minor fluctuations. Precipitation takes a slight decline from the previous month, paving the way for a brighter, yet still humid environment. With increased atmospheric pressure compared to the last two months, the town experiences consistently high visibility at 10km (6.2mi). Weather in March »

Weather in April

April in Nukuhetulu signals the beginning of an atmospheric transition as the tropical season starts to withdraw. Showers take a remarkable downturn, marking an appreciable decline in precipitation to 86mm (3.39"), the first notable dip in rainfall this year. Weather in April »

Weather in May

May continues the meteorological narrative set by April in Nukuhetulu, further dwindling the telltale signs of a deep-set tropical climate. Rainfall dwindles down to 59mm (2.32"), marking a record low for the year so far. The pleasant meteorological shift paves the way for sunnier skies, longer periods of daylight and lower relative humidity. Weather in May »

Weather in June

June ushers in a distinctive shift as Nukuhetulu encounters a notably different meteorological landscape. While the temperatures verge towards their lowest of the year, higher atmospheric pressure prevails at 1015.8mb. The town delights in sustained periods of sunshine, coupled with lighter rainfall. Weather in June »

Weather in July

Making its way into the heart of winter, July in Nukuhetulu presents comparatively cooler temperatures. With wind speeds maintaining a steady course, the overall atmosphere tilts towards a fresher climate. After a brief respite in June, rainfall gradually inches back up to 72mm (2.83"), while the rest of the weather elements demonstrate a steady rhythm. Weather in July »

Weather in August

As the final quarter of the year commences, August presents mild reductions in temperature and rainfall. It's worth noting that the 1016.2mb atmospheric pressure brings a calm stability to Nukuhetulu's weather. The cool winds continue their leisurely dance, juggling between being playful to modestly strong. Weather in August »

Weather in September

September in Nukuhetulu marks a departure from the cooler weather, paving the way for a warmer transition. Humidity gradually increases, steering the climate back towards a mildly tropical milieu. As the atmospheric pressure remains constant, the town registers consistent wind speed of 23.7km/h (14.7mph), offering a breezy complement to the rising temperatures. Weather in September »

Weather in October

October in Nukuhetulu unveils the arrival of a more tropical climate. With daylight hours steadily increasing, the town witnesses higher temperatures and a more vivid sky. Maintaining its consistent performance throughout the year, visibility remains at 10km (6.2mi) despite the rising humidity. Weather in October »

Weather in November

Ramping up towards the culmination of the year, November in Nukuhetulu manifests a definite uptick in temperatures. This warmth is underscored by the average 8.9 hours of daily sunshine, the highest for the year. The balance between longer sunshine hours and sporadic showers creates a vibrant, energetic atmosphere in the town. Weather in November »

Weather in December

Rounding off the year with favorable conditions, December's weather in Nukuhetulu demonstrates a gradual increase in all climatic parameters. Rainfall surges to 75mm (2.95") while the winds blow steadfastly at an average speed of 24.9km/h (15.5mph), maintaining the tropical character associated with the town. Weather in December »

Frequently asked questions

What is the most humid month in Nukuhetulu?

January is the most humid month, with an average relative humidity of 80%.

How much does it rain in Nukuhetulu?

In Nukuhetulu, Tonga, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.

What are the months with the highest UV index in Nukuhetulu?

January through March, with an average maximum UV index of 7, are months with the highest UV index.

What are the warmest months in Nukuhetulu?

Nukuhetulu, Tonga, witnesses the warmest weather in February, with temperatures averaging a high of 27.5°C (81.5°F) and a low of 26.7°C (80.1°F).

What is the rainiest month in Nukuhetulu?

February is the month with the most rainfall. Rain falls for 22.7 days and accumulates 163mm (6.42") of precipitation.

When is the lowest UV index in Nukuhetulu?

April through December, with an average maximum UV index of 6, are months with the lowest UV index in Nukuhetulu, Tonga.

What is the month with the shortest days in Nukuhetulu?

The month with the shortest days is June, with an average of 10h and 54min of daylight.

What is the least humid month in Nukuhetulu?

July and August, with an average relative humidity of 75%, are the least humid months in Nukuhetulu.

What is the month with the least sunshine in Nukuhetulu?

August has the least sunshine of the year in Nukuhetulu, Tonga, with an average of 6.8h of sunshine.

What is the coldest month in Nukuhetulu?

With its average high temperature of 22.9°C (73.2°F) and a low of 21.7°C (71.1°F), September is regarded as the coldest month in Nukuhetulu.

What is the driest month in Nukuhetulu?

The month with the least rainfall is October, when the rain falls for 12.9 days and typically collects 36mm (1.42") of precipitation.

What month has the most sunshine in Nukuhetulu?

The month with the most sunshine in Nukuhetulu is November, with an average of 8.9h of sunshine.

When are the longest days in Nukuhetulu?

With an average of 13h and 24min of daylight, December has the longest days of the year.

Is there Daylight Saving Time (DST) in Nukuhetulu?

Nukuhetulu, Tonga, does not utilize Daylight Saving Time (DST). +13 timezone is used throughout the entire year.

Average temperature
Nukuhetulu, Tonga

Average temperature - Nukuhetulu, Tonga

The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is September (22.9°C).

The month with the highest average low temperature is February (26.7°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).

Average pressure
Nukuhetulu, Tonga

Average pressure - Nukuhetulu, Tonga

The months with the highest atmospheric pressure are August and September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1008.6mbar).

Average wind speed
Nukuhetulu, Tonga

Average wind speed - Nukuhetulu, Tonga

The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is January (23.3km/h).

Average humidity
Nukuhetulu, Tonga

Average humidity - Nukuhetulu, Tonga

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall
Nukuhetulu, Tonga

Average rainfall - Nukuhetulu, Tonga

The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).

Average rainfall days
Nukuhetulu, Tonga

Average rainfall days - Nukuhetulu, Tonga

The month with the highest number of rainy days is February (22.7 days).
The month with the least rainy days is October (12.9 days).

Average daylight / Average sunshine
Nukuhetulu, Tonga

Average daylight / Average sunshine - Nukuhetulu, Tonga

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 54min).

The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 48min).

Average sunshine days
Nukuhetulu, Tonga

Average sunshine days - Nukuhetulu, Tonga

The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (3.8 days).

Average UV index
Nukuhetulu, Tonga

Average UV index - Nukuhetulu, Tonga

The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 6).

Average visibility
Nukuhetulu, Tonga

Average visibility - Nukuhetulu, Tonga

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).

Nukuhetulu, Tonga

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