Explore Tonga
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.
December in Neiafu averages 28°C (82°F) during the day and 26°C (79°F) at night. December is part of the rainy season, with around 191 mm (7.5 in) of rainfall and frequent showers.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Neiafu.
Pick a month to see the average temperature, rainfall and sunshine in Neiafu - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Neiafu typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Neiafu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Neiafu from 2004 through 2025.
Find out more about the weather in Tonga and which places have the best travel conditions in this month. See all of Tonga in December →
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).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Humidity Water Temp
See the full Neiafu climate overview or explore weather in Tonga.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Explore Tonga
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.
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