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Tanna Island Weather in December
Tanna Island in December sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). Rainfall is fairly high this month at around 163 mm (6.4 in), so pack a rain jacket to stay dry.
Rainfall in Tanna Island in December
The climate data from previous years indicates about 16 days of rain, averaging 163 mm (6.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Tanna Island in December
December in Tanna Island sees highs of 29°C (84°F) and lows of 24°C (75°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.For Tanna Island itself, July, August, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Tanna Island Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
55%
Precipitation
163 mm (6.4 in)
Rainy days
16 days
Tanna Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tanna Island - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Tanna Island typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Tanna Island in December
Browse day-by-day weather records for Tanna Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tanna Island historical weather extremes in December
Based on 26 years of weather observations in Tanna Island between 1999 and 2025, these are the recorded extremes.
- On December 21, 2022, temperatures climbed to 35°C (95°F), marking the warmest December day on record.
- On December 19, 2011, Tanna Island saw its coldest December day with temperatures maxing out at 25°C (77°F).
- The lowest overnight temperature recorded in December was 17°C (63°F) (December 3, 2018).
- The wettest December day on record brought 106 mm (4.2 in) of precipitation to Tanna Island (December 5, 2021).
Best Places in Vanuatu in December
Find out more about the weather in Vanuatu and which places have the best travel conditions in this month. See all of Vanuatu in December →
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 Tanna Island in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Tanna Island in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Tanna Island 3-Day Forecast
More climate data for Tanna Island
See the full Tanna Island climate overview or explore weather in Vanuatu.
Popular in December
Where to go in December - average daytime high across popular destinations.
Lakatoro
29°C (84°F) Norsup29°C (84°F) Luganville29°C (84°F) Saraotou29°C (84°F) Port-Havannah
28°C (82°F) Tanna Island29°C (84°F) Port Vila28°C (82°F) Hog Harbour28°C (82°F) Bucket list
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