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Australia and Oceania

Tonga weather in January 2026

Australia and Oceania

Tonga weather in January 2026

 

Day

30 °C

 

Night

23 °C

 

Sea

27 °C

 

Precipitation

215 mm

in month

 

Rainy days

17 days

in month

 

Daylight

13 hours

average

 

Day

30 °C

 

Night

23 °C

 

Sea

27 °C

 

Precipitation

215 mm

in month

 

Rainy days

17 days

in month

 

Daylight

13 hours

average

Overview: Tonga
In Tonga in January, the average air temperature ranges from 30 °C (85 °F) during the day to 23 °C (73 °F) at night. There are 17 days of rain on average, where the rainfall is 215 mm (8.47 in).

Weather charts for Tonga

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Amazing beach with turquise water in Tonga
Boat in Tonga in partly cloudy weather
Tonga in partly cloudy weather

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Weather overview and FAQs

Weather overview

In Tonga in January, the average air temperature ranges from 30 °C (85 °F) during the day to 23 °C (73 °F) at night. There are 17 days of rain on average, where the rainfall is 215 mm (8.47 in).

Are there good conditions to visit in Tonga in January?

There are good conditions for visiting in January in Tonga. The daily temperatures in this month reach pleasant 30 °C (85 °F). The seawater temperature reaches ideal 27 °C (80 °F). At night, temperatures hover around a pleasant 23 °C (73 °F). January is the wet season month in Tonga, which means that there may be more frequent rains during your stay.

What is the temperature in Tonga during the day in January?

In Tonga in January, the average daily temperatures will be 30 °C (85 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

What is the sea temperature in Tonga in January?

In January in Tonga expect the sea to be warm at 27 °C (80 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.

How many days of precipitation on average can I expect in Tonga in January?

There are 17 days, which are rainy in Tonga in January, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.9 days of the week, or in general - 56 % days.

What is the night temperature in Tonga in January?

The average night temperature in Tonga in January is 23 °C (73 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

How heavy is the precipitation in Tonga in January?

There is precipitation of 215 mm (8.47 in) in Tonga in January, which means 7 mm (0.28 in) rainfall per day on average.

How long is the day (from dawn till dusk) in Tonga in January?

The length of daylight in Tonga in January is 13 hours.

Is there a wet season in Tonga in January?

Yes, in January in Tonga there is a wet season with 17 days, when there is rain in a month.

Is the weather in Tonga warmer in January than in February?

No, in January in Tonga the temperature is not higher than in February.

Is it hot in Tonga in January?

In Tonga in January, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is the temperature rising or falling in the course of time in Tonga in January?

Over the course of January in Tonga, the temperatures are rising from 29 °C (84 °F) at the beginning of the month to 30 °C (86 °F) at the end of the month.

How windy is it in Tonga in January?

An average wind scale that can be expected in Tonga in January is 4.

Is the sea in Tonga warmer in January than in December?

Yes, in Tonga the sea is warmer in January than in December by 1 °C (33 °F).

Is Tonga rainier in January than in February?

No, in Tonga in January it does not rain more than in February.

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