Sumbawa Besar Weather in December
December in Sumbawa Besar brings very high temperatures around 31°C (88°F) during the day, dropping to 24°C (75°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Sumbawa Besar in December
Sumbawa Besar is in the rainy season in December, with rain on around 19 days and an average of 291 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Sumbawa Besar in December
If you're visiting Sumbawa Besar in December, expect highs of 31°C (88°F) and overnight lows around 24°C (75°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Sumbawa Besar. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Sumbawa Besar's climate page.
Sumbawa Besar Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
64%
Precipitation
291 mm (11 in)
Rainy days
19 days
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Sumbawa Besar typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
46-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 Sumbawa Besar in December
Browse day-by-day weather records for Sumbawa Besar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sumbawa Besar historical weather extremes in December
Based on weather observations in Sumbawa Besar between 1996 and 2025, these are the recorded extremes during December.
- On December 8, 2019, temperatures climbed to 36°C (97°F), marking the warmest December day on record.
- The coldest December day was on December 1, 2021, with a maximum of 26°C (79°F).
- Nighttime temperatures dropped to 21°C (70°F) on December 7, 2000, marking the coldest December night on record.
- Peak precipitation in December occurred on December 18, 1998, when 137 mm (5.4 in) of precipitation was measured.
Best Places in Indonesia in December
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in December →
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What to Wear in Sumbawa Besar in December
Warm weather calls for comfortable, breathable clothing in December. 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.What To Do in Sumbawa Besar 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 Indonesia, check out our Sumbawa Besar's climate page.
See the full Sumbawa Besar climate overview or explore weather in Indonesia.
