Tongatapu Island in Tonga sees its peak temperatures in February (28°C (82°F)) and its coolest in August (24°C (75°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Nuku‘alofa, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Tongatapu Island during May, June, July, August, September, October and November is comfortably warm, with average temperatures ranging from 24°C (75°F) to 26°C (79°F).
When it comes to rainfall, Tongatapu Island sees significant variations throughout the year. March tends to be the wettest, receiving 242 mm (9.5 in) of rain, while October is much drier with just 103 mm (4.1 in). Travelers should note that the rainy season falls during January, February and March, bringing substantial precipitation ranging from 211 mm (8.3 in) to 242 mm (9.5 in) monthly.
