Weather & climate · Nuku'alofa

Best Time to Visit Tonga

May to December

The best time to visit Tonga is May to December, when daytime highs in Nuku'alofa are around 23–26°C. January and April are also a good time to go. February is the warmest month (27°C by day), August the coldest (22°C at night), and January the wettest with about 197 mm of rain.

27°C

Warmest: February

22°C

Coldest nights: August

1518 mm

Rain per year

197 mm

Wettest: January

Tonga weather by month

Jan27°C26°C197 mm
Feb27°C27°C197 mm
Mar27°C27°C197 mm
Apr27°C26°C170 mm
May25°C24°C112 mm
Jun24°C23°C100 mm
Jul23°C22°C67 mm
Aug23°C22°C81 mm
Sep23°C22°C83 mm
Oct24°C23°C88 mm
Nov25°C24°C111 mm
Dec26°C25°C115 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	27°C	26°C	197 mm	82%	70%	Good
February	27°C	27°C	197 mm	81%	70%	Rainy
March	27°C	27°C	197 mm	82%	73%	Rainy
April	27°C	26°C	170 mm	80%	73%	Good
May	25°C	24°C	112 mm	79%	74%	Best time
June	24°C	23°C	100 mm	78%	74%	Best time
July	23°C	22°C	67 mm	77%	72%	Best time
August	23°C	22°C	81 mm	78%	73%	Best time
September	23°C	22°C	83 mm	79%	73%	Best time
October	24°C	23°C	88 mm	79%	73%	Best time
November	25°C	24°C	111 mm	80%	71%	Best time
December	26°C	25°C	115 mm	80%	71%	Best time

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Nuku'alofa (-21.13, -175.2). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Tonga have their own climate.

Frequently asked questions

When is the best time to visit Tonga?

May to December. The best time to visit Tonga is May to December, when daytime highs in Nuku'alofa are around 23–26°C. January and April are also a good time to go. February is the warmest month (27°C by day), August the coldest (22°C at night), and January the wettest with about 197 mm of rain.

What is the hottest month in Tonga?

February, with average highs of 27°C in Nuku'alofa.

What is the coldest month in Tonga?

August, when nights drop to about 22°C and days reach 23°C.

What is the rainiest month in Tonga?

January with about 197 mm; July is the driest (67 mm).

When should I avoid visiting Tonga?

February is the least comfortable month on average: 27°C by day and 197 mm of rain.

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