Sibu Weather in December
December in Sibu brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 23°C (73°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Sibu in December
Sibu is in the rainy season in December, with rain on around 29 days and an average of 353 mm (14 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Sibu in December
Sibu in December gets highs of 31°C (88°F) during the day and drops to 23°C (73°F) at night. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Sibu in December
With about 151 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.To explore more travel options, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malaysia, check out our Sibu's climate page.
Sibu Temperature in December
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sibu typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Sibu in December
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.
Sibu historical weather extremes in December
According to our 42 years of weather records for Sibu, the following extremes were recorded between 1983 and 2025.
- Sibu recorded its highest December temperature of 35°C (95°F) on December 3, 2015.
- Sibu experienced its chilliest December day on December 26, 1993, reaching only 24°C (75°F).
- The coldest night in December in Sibu was on December 20, 1985, with a minimum of 20°C (68°F).
- The wettest day in December Sibu was on December 1, 2014 with 198 mm (7.8 in) of precipitation.
Best Places in Malaysia in December
Find out more about the weather in Malaysia and which places have the best travel conditions in this month. See all of Malaysia in December →
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What to Wear in Sibu in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Sibu in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malaysia, check out our Sibu's climate page.
See the full Sibu climate overview or explore weather in Malaysia.