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World Weather & Climate Information

Weather Averages and Climate in Tonga

Tonga has a hot and wet season from December to April with temperatures rising up to 33 degrees Celsius (91oFahrenheit). The country's 1600 mm average of annual rain usually falls during this humid season, which is also cyclone season. Big cyclones however only occur every 10-15 years.

The cool, dry season is from May to November with temperatures ranging between 17oC and 22oC (63 and 72 degrees Fahrenheit).

Interested in the more detailed Weather and Climate of Tonga?

Please select a city in or above the map you wish to travel to or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical weather data like humidity wind speed and water temperature.

Islands of Tonga

Places in Tonga

Select a city to see its average temperature, precipitation and hours of sunshine over the year.