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With daytime temperatures of 31°C (88°F) and nighttime lows of 27°C (81°F), December in Pulau Merah brings very high temperatures during the day. Do keep in mind that December is part of the rainy season, with frequent and often heavy rainfall.
December in Pulau Merah has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Pulau Merah - and find the best time to visit.
48-year average (1976-2025)
Based on our historical records, temperatures in Pulau Merah typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
48-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 Pulau Merah spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 23 years of weather observations (2002-2025), these are the most extreme conditions recorded in Pulau Merah.
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia 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 but pleasant conditions in Pulau Merah in December. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Pulau Merah climate overview or explore weather in Indonesia.
Where to go in December - average daytime high across popular destinations.
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