Kupang Weather in December
December in Kupang brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 25°C (77°F). It's part of the rainy season, with 259 mm (10 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Kupang in December
Kupang is in the rainy season in December, with rain on around 15 days and an average of 259 mm (10 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Kupang in December
December in Kupang brings typical temperatures with highs around 32°C (90°F) and lows of 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Kupang in December
Expect sunny days throughout the month, with an estimated 205 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.
Average water temperature in December
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.December in Kupang has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit East Timor, check out our Kupang's climate page.
Kupang Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Water Temperature
29°C (84°F)
Chance of Rain
51%
Precipitation
259 mm (10 in)
Rainy days
15 days
Humidity
80%
Sunshine
205 hours
Percentage Sunshine
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Kupang typically stay consistent throughout December, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°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 Kupang in December
Browse day-by-day weather records for Kupang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kupang historical weather extremes in December
Based on 23 years of weather observations (2002-2025), these are the most extreme conditions recorded in Kupang.
- Kupang recorded its highest December temperature of 36°C (97°F) on December 17, 2023.
- The coldest December day was on December 21, 2003, with a maximum of 25°C (77°F).
- Kupang registered its coldest December night on December 7, 2014, with temperatures dropping to 20°C (68°F).
Best Places in East Timor in December
Find out more about the weather in East Timor and which places have the best travel conditions in this month. See all of East Timor in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kupang in December
Warm but pleasant conditions in Kupang 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. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Kupang 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 East Timor, check out our Kupang's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Kupang climate overview or explore weather in East Timor.
