Tonga Climate (Weather Averages)
The Tonga Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.
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| Max Daytime Temperature (°C) | |
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| Min Night-time Temperature (°C) | |
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| Hours of Sunshine (Daily) | |
No data available for Hours of Sunshine (Daily) | |||||||||||
| Hours of Daylight (Daily) | |
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| Heat and Humidity Discomfort | |
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| Days with some Rainfall | |
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| Monthly Rainfall (mm) | |
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| UV Index (Maximum) | |
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| Sea Temperature (°C) | |
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The Tonga Climate Guide shown above is based on the Nuku'alofa Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Tonga with available Climate Guides.
The Kingdom of Tonga is a South Pacific archipelago lying to the east of Fiji, made up of 172 tropical islands. Named 'the Friendly Isles' by Captain Cook, Tonga has the distinction of being the only island group in the South Pacific never to have been colonised, although it became a British Protectorate in 1900. Today its people still follow a traditional lifestyle and their respect for time-honoured customs has helped Tonga retain its distinctive character as one of the most intact cultures of old Polynesia.
The islands have a mixture of volcanic and raised coral origins, resulting in widely varying geography and vegetation. In the north the Niuas and Vava'u island groups are generally more mountainous supporting dense woodland. However most of the islands, particularly in the south, consist of low-lying coral formations. About two thirds of the population live on Tongatapu where the capital Nuku'alofa backs onto a large lagoon.
A number of islands are volcanically active including Falcon Island, a rare submerged volcano that periodically erupts underwater. Beautiful beaches and coral reefs also fringe most islands, while on Late and Tofua there are still some areas of high diversity native forest still standing.
The climate is tropical with rainfall in all months becoming heaviest during February and March. This is also the hottest time of the year although, with fairly constant south-east trade winds and its relatively southern location, Tonga is not as hot as Fiji and Samoa. From April to October there is a cooler drier period when it is also likely to be sunnier.
Tropical cyclones are possible from January to April, and are more likely in the north.
Tonga Weather by Month |
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| Check the weather for a particular month in Tonga by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Tonga. If you are not sure where to go, why not try our Holiday Planner. | |||
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| · January · February · March |
· April · May · June |
· July · August · September |
· October · November · December |
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| Popular Climate Guide Regions | |
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Tenerife, Canary Islands, Spain |
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Sharm el-Sheikh, Egypt |
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Crete, Greece |
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Dalaman and Marmaris Coast, Turkey |
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Rhodes, Greece |
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Antalya Coast, Turkey |
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| Popular Climate Guide Destinations | |
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Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain |
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Nicosia, Cyprus |
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Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt |
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Tunis, Tunisia |
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Port Louis, Mauritius |
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Khania, Crete, Greece |
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Dalaman, Dalaman and Marmaris Coast, Turkey |
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Praia, Santiago, Cape Verde |
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Rhodes Town, Rhodes, Greece |
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Antalya, Antalya Coast, Turkey |
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