Jakarta Weather in December
Indonesia · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
December in Jakarta sees average temperatures ranging from a low of 24.0°C (75.2°F) to a high of 30.8°C (87.4°F), with a mean of 26.7°C (80.1°F). Compared to the annual average of 27.0°C (80.6°F), this month is 0.3°C cooler than the yearly norm. Precipitation averages 271.4mm, making it approximately 66.0mm wetter than the monthly average of 206.0mm. The city receives an average of 8.3 hours of sunshine per day during December, with relative humidity averaging 83.2%. Wind speeds reach an average maximum of 13.3 km/h. For travelers, this month offers a temperature experience in Jakarta, with wetter-than-average conditions compared to the rest of the year.
If you're planning outdoor activities in Jakarta, the wet season dictates everything. I tried running along the coast in January — 31°C, 85% humidity, and a thunderstorm hit at 3pm like clockwork. The data confirms: November-March brings 300mm monthly with afternoon storms. The dry season (June-September) is the only sane outdoor window: 31°C but humidity drops to 70% and rain halves. UV hits 11+ year-round between 10am-2pm — avoid direct sun. Flooding is a real risk January-February; check local conditions before any outdoor plan. Hydrate constantly; the equatorial heat sneaks up on you even on cloudy days.
December vs Adjacent Months
| Metric | November | December | January |
|---|---|---|---|
| Mean Temp | 27.1°C (80.8°F) | 26.7°C (80.1°F) | 26.3°C (79.3°F) |
| Rainfall | 250.7mm | 271.4mm | 342.7mm |
| Sunshine | 8.7 hrs | 8.3 hrs | 7.8 hrs |
| Humidity | 82.8% | 83.2% | 85.1% |
| Wind | 12.0 km/h | 13.3 km/h | 13.9 km/h |
| Rainy Days | 29.0 | 29.4 | 30.4 |
Seasonal Context
December falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Jakarta in December, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Jakarta in December?
The average temperature in Jakarta during December ranges from 24.0°C (75.2°F) to 30.8°C (87.4°F), with a mean of 26.7°C (80.1°F).
How much does it rain in Jakarta in December?
Jakarta receives an average of 271.4mm of precipitation in December, spread across approximately 29.4 rainy days.
What should I pack for Jakarta in December?
Based on December weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 271.4mm of precipitation.
Is December a good time to visit Jakarta?
December is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Jakarta
Cities with Similar December Climate (Tropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -6.21°, 106.85°. Timezone: Asia/Jakarta. Last updated: 2026-07-30.