Tonga climate
World Climates covers 1 place in Tonga. Nukualofa has a tropical rainforest climate (Köppen Af).
Climate of Nukualofa at a glance
The year average in Nukualofa is 25 °C77 °F. The warmest month is February, with an average high of 27 °C81 °F. The coldest is August, with an average low of 22 °C72 °F. About 1,516 mm60 in of precipitation falls in a year. January is the wettest month and July the driest. By our comfort score, the best months to visit are June–October.
Frequently asked questions
How many places in Tonga does this site cover?
World Climates has climate data for one place in Tonga: Nukualofa. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in Nukualofa?
February is the warmest month, with an average high of 27 °C81 °F. August is the coldest, with an average low of 22 °C72 °F.
When does it rain the most in Nukualofa?
January is the wettest month, with about 197 mm7.8 in of precipitation. The yearly total is about 1,516 mm60 in.
When is the best time to visit Nukualofa?
By our comfort score, the most comfortable months are June–October. The score is based on long-term averages, not on a forecast.
Climate of every place in Tonga
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Nukualofa | 25 | 27 | 22 | 1,516 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.