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Australia and Oceania

Tonga weather in December 2025

Australia and Oceania

Tonga weather in December 2025

 

Day

29 °C

 

Night

22 °C

 

Sea

26 °C

 

Precipitation

149 mm

in month

 

Rainy days

12 days

in month

 

Daylight

13 hours

average

 

Day

29 °C

 

Night

22 °C

 

Sea

26 °C

 

Precipitation

149 mm

in month

 

Rainy days

12 days

in month

 

Daylight

13 hours

average

Overview: Tonga
In December in Tonga, the average air temperature ranges from 29 °C (83 °F) during the day to 22 °C (72 °F) at night. There are 12 days of rain on average, where the rainfall is 149 mm (5.86 in).

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Weather overview and FAQs

Weather overview

In December in Tonga, the average air temperature ranges from 29 °C (83 °F) during the day to 22 °C (72 °F) at night. There are 12 days of rain on average, where the rainfall is 149 mm (5.86 in).

Are there good conditions to visit in Tonga in December?

In Tonga in December, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 29 °C (83 °F). The seawater temperature reaches ideal 26 °C (79 °F). At night, temperatures hover around a pleasant 22 °C (72 °F).

What temperature can I expect during the day in December in Tonga?

In December in Tonga, the average daily temperatures will be 29 °C (83 °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 December?

The temperature of the sea in Tonga in December is 26 °C (79 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.

How heavy is the precipitation in Tonga in December?

There is precipitation of 149 mm (5.86 in) in December in Tonga, which means 5 mm (0.20 in) rainfall per day on average.

How many rainy days can I expect in December in Tonga?

There are 12 days, which are rainy in December in Tonga, 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 2.7 days of the week, or in general - 39 % days.

What is the night temperature in December in Tonga?

The average night temperature in Tonga in December is 22 °C (72 °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 windy is Tonga in December?

In December in Tonga, there will be an average wind scale of 5.

Is it hot in Tonga in December?

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

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

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

Is Tonga rainier in December than in November?

Yes, Tonga is a rainier December than in November.

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

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

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

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

How does the sea temperature evolve during the month in Tonga in December?

Tonga has a decreasing trend of the sea temperature during December - from 26 °C (78 °F) in the first days of the month to 26 °C (80 °F) in the last days of the month.

What is the temperature trend in Tonga in December?

During December in Tonga, the day temperatures are decreasing - from 28 °C (82 °F) at the beginning of the month to 29 °C (84 °F) at the end of the month.

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