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Tongatapu Island weather in January

Thinking about venturing to Tongatapu Island this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Tongatapu Island in January?

Tongatapu Island is a region in Tonga. January in Tongatapu Island generally has warm temperatures, with heavy precipitation.

You can expect warm maximum daytime temperatures of around 28°C and nighttime temperatures around 25°C in Nuku‘alofa.

January is a very rainy month with an average rainfall of around 212 mm in Nuku‘alofa.

For a closer look at January's conditions in Tongatapu Island, see the map below. For a more detailed look at Tongatapu Island's yearly weather, check out our Tongatapu Island climate page.

Where to go in Tongatapu Island in January

Find the average weather conditions in January for the most popular destinations in Tongatapu Island on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Tongatapu Island

What is the weather like in January for the 2 most popular destinations in Tongatapu Island?

Average weather in Nuku‘alofa

In January Nuku‘alofa generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Nuku‘alofa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
27°C 
25°C 
120 mm 
16 days 
28°C 
25°C 
212 mm 
17 days 
28°C 
26°C 
234 mm 
17 days 
Climate in Nuku‘alofa

Average weather in Ha‘avakatolo

In January Ha‘avakatolo generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Ha‘avakatolo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
27°C 
25°C 
119 mm 
16 days 
28°C 
25°C 
213 mm 
17 days 
28°C 
26°C 
234 mm 
17 days 
Climate in Ha‘avakatolo

Is your destination not in the list? Have a look at other destinations in Tongatapu Island, in Tonga.

Is January the best time to visit Tongatapu Island?

Given the typically unpleasant weather conditions in Nuku‘alofa, January may not be the ideal time to visit Tongatapu Island.

Generally speaking, April, May, June, July, August, September, October, November and December provide pleasant weather in Nuku‘alofa. On the other hand, the months of January, February and March tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Tongatapu Island. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Tonga? Get detailed historical weather averages for many cities in Tonga.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.