Haʻapai archipelago Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in the Haʻapai archipelago, Tonga in January.

Planning a journey to the Haʻapai archipelago, Tonga this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in the Haʻapai archipelago in January

The Haʻapai archipelago, Tonga is a region in Tonga. January in the Haʻapai archipelago 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 26°C (79°F) in Uoleva Island.

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

Precipitation

January is a very rainy month with an average rainfall of around 230 mm (9.1 in) in Uoleva Island.

Explore the Haʻapai archipelago by month

Pick a month to see the average temperature, rainfall and sunshine in the Haʻapai archipelago — and find the best time to visit. (based on Uoleva Island)

Best Places to Visit in the Haʻapai archipelago in January

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

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 the Haʻapai archipelago

What is the weather like in January for the most popular destinonation in the Haʻapai archipelago, Tonga?

Uoleva Island

In January Uoleva Island generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

December
January
February
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
147 mm (5.8 in)
230 mm (9.1 in)
242 mm (9.5 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Haʻapai archipelago, 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.

The Haʻapai archipelago weather in January: frequently asked questions

What is the weather like in the Haʻapai archipelago, Tonga in January?

In January, the Haʻapai archipelago, Tonga generally has unpleasant weather conditions. Uoleva Island sees daytime temperatures near 28°C (82°F), with nights cooling to roughly 26°C (79°F).

What is the average temperature in the Haʻapai archipelago, Tonga in January?

Daytime temperatures in Uoleva Island peak at roughly 28°C (82°F) in January, dropping to about 26°C (79°F) overnight.

Does the Haʻapai archipelago, Tonga get a lot of rain in January?

Rainfall in the Haʻapai archipelago, Tonga peaks during January. Uoleva Island averages roughly 230 mm (9.1 in), so frequent and sometimes heavy showers are the norm.

Is January a Good Time to Visit the Haʻapai archipelago, Tonga?

In our opinion, January may not be the ideal time to visit the Haʻapai archipelago, Tonga due to the typically unpleasant weather in Uoleva Island.

Generally speaking, the best visiting conditions can be found in June, July and August offering mostly perfect weather in Uoleva Island. 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 the Haʻapai archipelago.

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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