Tonga

Tonga Weather in January

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

Are you planning a trip a to Tonga in January and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Tonga in January

January in Tonga 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.

For a closer look at conditions across Tonga, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From heavy rainfall in Nuku‘alofa with an average of 212 mm (8.3 in) to heavy rainfall in Utungake with 254 mm (10 in).

Explore Tonga by month

Best Places to Visit in Tonga in January

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

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 Tonga

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

Temperature range in Tonga (January)

Precipitation variation in Tonga (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
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

Neiafu

In January Neiafu generally has high temperatures with maximum daytime temperatures around 29°C (84°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)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
191 mm (7.5 in)
254 mm (10 in)
265 mm (10 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions

Utungake

In January Utungake generally has high temperatures with maximum daytime temperatures around 29°C (84°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)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
190 mm (7.5 in)
254 mm (10 in)
265 mm (10 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions

Lotofoa

In January Lotofoa 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
148 mm (5.8 in)
235 mm (9.3 in)
243 mm (9.6 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions

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
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

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

City Weather Day temp Night temp Rainfall
Nuku‘alofa 28°C (82°F) 25°C (77°F) 212 mm (8.3 in)
Neiafu 29°C (84°F) 26°C (79°F) 254 mm (10 in)
Utungake 29°C (84°F) 26°C (79°F) 254 mm (10 in)
Lotofoa 28°C (82°F) 26°C (79°F) 235 mm (9.3 in)
Kanokupolu 28°C (82°F) 25°C (77°F) 214 mm (8.4 in)
Uoleva Island 28°C (82°F) 26°C (79°F) 230 mm (9.1 in)

Tonga weather in January: frequently asked questions

What is the weather like in Tonga in January?

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 Tonga in January?

In Nuku‘alofa, the average daytime high in January is 28°C (82°F), while nighttime temperatures drop to around 25°C (77°F).

Does Tonga get a lot of rain in January?

Rainfall in Tonga peaks during January. Nuku‘alofa averages roughly 212 mm (8.3 in), so frequent and sometimes heavy showers are the norm.

Is January a Good Time to Visit Tonga?

In our view, January might not be the best time to travel to Tonga with often unpleasant weather in Nuku‘alofa.

On average, the best time to visit Tonga is in April, May, June, July, August, September, October, November and December with generally pleasant weather in Nuku‘alofa. On the other hand, the weather in January, February and March tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Tonga.

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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Need travel inspiration? Check out our bucket list articles and be inspired.