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Sibu Weather by Month
Average temperatures, rainfall and humidity for Sibu, Malaysia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sibu month looks like before you travel — then check the live Sibu forecast for the days ahead.
Warmest month
July
33°C average high
Coolest month
February
23°C average low
Wettest month
December
113 mm of rain
Driest month
July
41 mm of rain
Average temperature and rainfall in Sibu by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 30°C | 23°C | 21°C / 35°C | 110 mm | 89% | 5 km/h |
| February | 31°C | 23°C | 20°C / 38°C | 81 mm | 88% | 5 km/h |
| March | 32°C | 23°C | 20°C / 36°C | 111 mm | 87% | 5 km/h |
| April | 33°C | 24°C | 22°C / 37°C | 91 mm | 86% | 5 km/h |
| May | 33°C | 24°C | 22°C / 38°C | 69 mm | 86% | 5 km/h |
| June | 33°C | 24°C | 21°C / 37°C | 50 mm | 84% | 5 km/h |
| July | 33°C | 24°C | 21°C / 38°C | 41 mm | 82% | 5 km/h |
| August | 33°C | 23°C | 22°C / 43°C | 67 mm | 84% | 5 km/h |
| September | 32°C | 23°C | 21°C / 39°C | 61 mm | 85% | 5 km/h |
| October | 32°C | 23°C | 22°C / 37°C | 78 mm | 86% | 5 km/h |
| November | 31°C | 24°C | 21°C / 37°C | 95 mm | 87% | 5 km/h |
| December | 31°C | 23°C | 21°C / 35°C | 113 mm | 88% | 5 km/h |
Best time to visit Sibu
The most comfortable time to visit Sibu is generally February and June to July, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around December, totalling about 966 mm a year.
Travellers who prefer heat should aim for July, when highs average 33°C. December is the month to avoid if rain would spoil your plans — it averages 113 mm, roughly 3× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sibu forecast for what is happening now.
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