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Pulau Merah in January averages 30°C (86°F) during the day and 26°C (79°F) at night. This is the wettest month of the year.
If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Pulau Merah. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Pulau Merah - and find the best time to visit.
50-year average (1976-2026)
Based on our historical records, temperatures in Pulau Merah typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
50-year average (1976-2026)
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.
Our historical data for Pulau Merah spans 2004 to 2025, revealing these weather extremes.
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in January →
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 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
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 January - average daytime high across popular destinations.
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