Tongatapu Island Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Tongatapu Island, Tonga in January.

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Nuku‘alofa Kanokupolu Ha‘avakatolo

Planning a trip to Tongatapu Island, Tonga this January? Here's what you need to know about the weather:

What to Expect in Tongatapu Island in January

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

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 25°C (77°F) in Nuku‘alofa.

To learn more about the conditions in specific areas of Tongatapu Island, Tonga, check out the map below.

Precipitation

January is a very rainy month with an average rainfall of around 212 mm (8.3 in) in Nuku‘alofa.

Explore Tongatapu Island by month

Pick a month to see the average temperature, rainfall and sunshine in Tongatapu Island — and find the best time to visit. (based on Nuku‘alofa)

January28°C (82°F) February28°C (82°F) March28°C (82°F) April28°C (82°F) May26°C (79°F) June25°C (77°F) This monthJuly24°C (75°F) August24°C (75°F) September24°C (75°F) October25°C (77°F) November26°C (79°F) December27°C (81°F)
Best Time to Visit Tongatapu Island →

Best Places to Visit in Tongatapu Island in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Tongatapu Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Tongatapu Island

What is the weather like in January for some of the most popular destinations in Tongatapu Island, Tonga?

Temperature range in Tongatapu Island (January)

Precipitation variation in Tongatapu Island (January)

Nuku‘alofa

In January Nuku‘alofa generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« December
January
February »
December
January
February
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
120 mm (4.7 in)
212 mm (8.3 in)
234 mm (9.2 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
pleasant
unpleasant
unpleasant
Climate in Nuku‘alofa →

Kanokupolu

In January Kanokupolu generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« December
January
February »
December
January
February
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
119 mm (4.7 in)
214 mm (8.4 in)
234 mm (9.2 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
pleasant
unpleasant
unpleasant
Climate in Kanokupolu →

Ha‘avakatolo

In January Ha‘avakatolo generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« December
January
February »
December
January
February
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
119 mm (4.7 in)
213 mm (8.4 in)
234 mm (9.2 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
pleasant
unpleasant
unpleasant
Climate in Ha‘avakatolo →

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

In our records: Tonga January extremes

Notable January records observed across cities in Tonga in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest January day in Tonga brought 418 mm (16 in) in Utungake on January 3, 2022.

Popular cities in January

Day & night temperatures, rainfall and average weather in Tongatapu Island in January.

City Weather Day temp Night temp Rainfall
Nuku‘alofa 28°C (82°F) 25°C (77°F) 212 mm (8.3 in)
Kanokupolu 28°C (82°F) 25°C (77°F) 214 mm (8.4 in)
Ha‘avakatolo 28°C (82°F) 25°C (77°F) 213 mm (8.4 in)

Tongatapu Island weather in January: frequently asked questions

What is the weather like in Tongatapu Island, Tonga in January?

Tongatapu Island, Tonga typically experiences unpleasant weather in January, part of the season. Daytime highs in Nuku‘alofa average around 28°C (82°F), and temperatures drop to about 25°C (77°F) at night.

What is the average temperature in Tongatapu Island, Tonga in January?

Average temperatures in Tongatapu Island, Tonga during January range from a nighttime low near 25°C (77°F) to a daytime high around 28°C (82°F) in Nuku‘alofa.

Does Tongatapu Island, Tonga get a lot of rain in January?

Expect plenty of rainfall. Nuku‘alofa records an average of 212 mm (8.3 in) in January, putting it among the wetter months for Tongatapu Island, Tonga.

Is January a Good Time to Visit Tongatapu Island, Tonga?

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

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.

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 travel conditions. Find out where to go with our weather planner.

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