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Nuku‘alofa

🇹🇴 Tonga · Oceania & Pacific

Nuku‘alofa weather in January

Unfavourable season

Afternoon
27.5 °C
Night
24.8 °C
Sea temperature
27.5 °C
Rainy days
23 days
Relative humidity
82 %

96% of days reached 25 °C over the last 10 years

📷 kyli katja · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January27.5 °C27.5 °C23 daysUnfavourable season
February27.8 °C27.9 °C24 daysUnfavourable season
March27.3 °C27.8 °C21 daysUnfavourable season
April26.7 °C27.3 °C15 daysPossible, with trade-offs
May25.2 °C26.1 °C13 daysIdeal — one of the best times of year
June24.4 °C25.4 °C10 daysIdeal — one of the best times of year
July23.6 °C24.4 °C9 daysIdeal — one of the best times of year
August23.3 °C24.1 °C12 daysIdeal — one of the best times of year
September23.8 °C24.1 °C13 daysIdeal — one of the best times of year
October24.5 °C24.7 °C14 daysPossible, with trade-offs
November25.7 °C25.7 °C16 daysPossible, with trade-offs
December26.9 °C26.9 °C19 daysUnfavourable season
Best months :AprilMayDecember

Before you go

Three things to check once you have picked your dates.

Entry

Entry rules depend on your nationality and change often. Check them before booking.

Official entry requirements ↗

Safety

No specific restrictions

Usual precautions apply.

Official advice updated 19 March 2026

UK Foreign Office

Health

Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.

Health advice ↗

Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.

FAQ

Can you swim in Nuku‘alofa in January?

The sea averages 27.5°C in January — yes, pleasant swimming.

How hot is Nuku‘alofa in January?

Expect 27.5°C in the afternoon and 24.8°C at night, averaged over the last 10 years.

Does it rain a lot in Nuku‘alofa in January?

Around 23 days with rain (≥ 1 mm) in the month — 74% of days.

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