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Tonga is the first country of the international date limit. Being the first to start the new day on a peace of paradise is something you might want to add to your bucket list.
Nuku‘alofa Weather in January
January in Nuku‘alofa averages 28°C (82°F) during the day and 25°C (77°F) at night. January is part of the rainy season, with around 212 mm (8.3 in) of rainfall and frequent showers.
Rainfall in Nuku‘alofa in January
As part of the rainy season, Nuku‘alofa sees around 17 days of rain in January, with an average of 212 mm (8.3 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Nuku‘alofa in January
In January, expect high temperatures in Nuku‘alofa, with highs of 28°C (82°F) and lows of 25°C (77°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October, November and December typically offer the best weather for Nuku‘alofa.
Nuku‘alofa Temperature in January
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
56%
Precipitation
212 mm (8.3 in)
Rainy days
17 days
Humidity
77%
Nuku‘alofa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nuku‘alofa - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Nuku‘alofa typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in January
Historical weather records for Nuku‘alofa in January
Browse day-by-day weather records for Nuku‘alofa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nuku‘alofa historical weather extremes in January
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Nuku‘alofa.
- The hottest January day on record in Nuku‘alofa reached 33°C (91°F) (January 14, 2005).
- Nuku‘alofa experienced its chilliest January day on January 5, 2019, reaching only 24°C (75°F).
- Nuku‘alofa registered its coldest January night on January 2, 2010, with temperatures dropping to 17°C (63°F).
Best Places in Tonga in January
Find out more about the weather in Tonga and which places have the best travel conditions in this month. See all of Tonga in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Nuku‘alofa in January
Warm but pleasant conditions in Nuku‘alofa in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Nuku‘alofa in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Nuku‘alofa 3-Day Forecast
More climate data for Nuku‘alofa
See the full Nuku‘alofa climate overview or explore weather in Tonga.
Popular in January
Where to go in January - average daytime high across popular destinations.
Uoleva Island
28°C (82°F) Toula29°C (84°F) Lotofoa28°C (82°F) Neiafu29°C (84°F) Utungake29°C (84°F) Kanokupolu28°C (82°F) Nuku‘alofa28°C (82°F) Bucket list
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