January in Sibu brings very high temperatures around 31°C (88°F) during the day, dropping to 23°C (73°F) at night, and as part of the rainy season, heavy rainfall is common.
For more travel ideas, our weather planner can help you explore destinations around the world.
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Chance of Rain
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Percentage Sunshine
Pick a month to see the average temperature, rainfall and sunshine in Sibu - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Sibu typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
51-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 Sibu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Sibu between 1981 and 2025, these are the recorded extremes during January.
Find out more about the weather in Malaysia and which places have the best travel conditions in this month. See all of Malaysia 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 weather calls for comfortable, breathable clothing in January. 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. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Sibu climate overview or explore weather in Malaysia.
Where to go in January - average daytime high across popular destinations.
Kuala Lumpur
32°C (90°F) George Town
31°C (88°F) Pantai Cenang
32°C (90°F) Kuching31°C (88°F) Ipoh31°C (88°F) Johor Bahru30°C (86°F) Melaka
30°C (86°F) Kota Kinabalu29°C (84°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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