The best time to visit Tonga is in January and March until December, when you will have a pleasant or warm temperature and limited till mediocre rainfall. The highest average temperature in in Tonga is 28°C in February and the lowest is 23°C in July.
If you want to know what the average temperature is in Tonga or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.
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The Tonga weather for will be 25° till 26° degrees in the next 14 days with every day chance of light rain showers till heavy rain. The water temperature is 26°C.
The Tonga weather forecast is based on the weather conditions in the city of Nuku‘alofa.
Tonga 14 day weather forecast
Weather
Max/min
Precip
Wind
Water
UV
Tuesday 17 may
25°C 23°C
0.5 mm 15%
7 Bft ESE
26°C
4
Wednesday 18 may
25°C 23°C
0.6 mm 15%
8 Bft ESE
26°C
4
Thursday 19 may
25°C 24°C
0.6 mm 15%
8 Bft E
26°C
5
Friday 20 may
26°C 25°C
1 mm 25%
8 Bft E
26°C
5
Saturday 21 may
26°C 25°C
0.5 mm 15%
7 Bft E
26°C
6
Climate Tonga
The average annual temperature for Tonga is 25° degrees and there is about 857 mm 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.
27°C
26°C