To go to Tonga, the best time to visit is April through December. In this period you have a pleasant temperature and little precipitation. In Tonga, February is the warmest month with 82°F and the most cold month is 73°F in August.
In the table below you can quickly see the average weather per month in Tonga, the monthly temperature or when precipitation is highest. The monthly average climate data is based on data from the last 30 years.
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The weather for Tonga over the next 14 days will be 73°F till 79° with several days chance of light rain showers till heavy rain. The water temperature will be 77°F.
The weather forecast for Tonga is based on the weather in Nuku‘alofa.
The average annual temperature for Tonga is 48° degrees and there is about 337 inch of rain in a year. It is dry for 128 days a year with an average humidity of 78% and an UV-index of 6.
What is the average Tonga weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
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81°F
79°F