January in Sibu averages a daily high of 31°C with nights around 22.6°C. Expect roughly 22.9 wet days totalling 480.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Sibu is Any time of year.
Based on SIBU, MY (19.2km), 1995–2024. 19 years of January data.