Semarang Weather in December
December in Semarang averages 31°C (88°F) during the day and 24°C (75°F) at night. It is the wettest month of the year, with 433 mm (17 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Semarang in December
As part of the rainy season, Semarang sees around 17 days of rain in December, with an average of 433 mm (17 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Semarang in December
Daytime temperatures in Semarang reach 31°C (88°F) in December, dropping to 24°C (75°F) at night. It's usually most comfortable outside during the morning and later in the day. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Semarang.
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 Semarang's climate page.
Semarang Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
58%
Precipitation
433 mm (17 in)
Rainy days
17 days
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Semarang typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
Daily Historical Precipitation
47-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 Semarang in December
Browse day-by-day weather records for Semarang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Semarang historical weather extremes in December
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Semarang.
- The hottest December day on record in Semarang reached 36°C (97°F) (December 28, 2023).
- Semarang experienced its chilliest December day on December 13, 2005, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in December was 22°C (72°F) (December 29, 2013).
- Peak precipitation in December occurred on December 31, 2022, when 268 mm (11 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 Semarang in December
Warm but pleasant conditions in Semarang in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Semarang 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 Semarang's climate page.
See the full Semarang climate overview or explore weather in Indonesia.
