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What is the climate like in Tonga?

The climate of Tonga has an average yearly temperature of 28°C. Throughout the year, the average monthly temperature can drop to 25°C and rise to 30°C.

Annually, about 2157 mm of rain falls. This gives a good overview of how much rain to expect in Tonga.

The best time to visit Tonga is June to November. Although it often rains during this period, it rains less than in other months. The temperatures are also good for visiting Tonga.

The hurricane season in Tonga lasts from early November to late April.

Temperature 25 to 30°C
Rain 2157 mm
The climate of Tonga

Climate table Tonga

The climate table for Tonga shows the average temperatures, precipitation, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 30 30 30 29 27 26 25 25 26 27 28 29
Nighttime temperature (°C) 25 25 24 23 22 21 20 20 20 21 22 23
Precipitation (mm) 256 289 311 247 160 144 119 138 101 114 122 156
UV Index 0 0 0 0 0 0 0 0 0 0 0 0
Hurricane season Tonga Hurricane Hurricane Hurricane Hurricane Hurricane Hurricane Hurricane Hurricane
Best month No No No No No Yes Yes Yes Yes Yes Yes No

Temperature by month in Tonga

This graph shows the average high temperatures in degrees Celsius for each month in Tonga

Temperature by month in Tonga

Precipitation by month in Tonga

This graph shows the average monthly precipitation in millimeters in Tonga.

Precipitation by month in Tonga

UV index by month in Tonga

This graph shows the average UV index by month in Tonga.

UV index by month in Tonga

Yearly temperature in Tonga

This graph shows the average yearly temperature in Tonga, measured in degrees Celsius.

Yearly temperature in Tonga

Yearly total precipitation in Tonga

This graph shows the average yearly precipitation in millimeters in Tonga.

Precipitation per year in Tonga

Weather experiences in Tonga

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Average weather in Tonga by month

Click on a month below to see in detail how the weather typically is in Tonga and what to expect. Based on the historical weather data of Tonga, you can view the average temperature, precipitation, wind, and UV index for each day of the month.