What December feels like in Jakarta
December falls in Jakarta's wet season — the rainfall numbers rise clearly above the dry months. Expect proper heat in the afternoon — slow down between noon and four. Little changes after sunset — nights stay warm, only slightly below the daytime level. Thick, humid air means clothes cling and the heat feels stronger than the number.
Rain in Jakarta in December
December is persistently wet here: some rain falls on most days. Rainy days are intense, averaging about 10.2 mm (0.4 in) — downpours rather than drizzle. The yearly figure is similar, around 8.3 mm per wet day. It is among the three wettest months of the year.
Daylight and sunshine in December
In mid-December, sunrise is at about 5:33 am and sunset at about 6:02 pm (local time) — 12 h 29 min of daylight. Day length barely changes from mid-November (5 min longer). Close to the equator, sunrise and sunset times move very little through the year. Measured sunshine covers about 70% of the daylight — there are plenty of bright spells.
How December compares to the rest of the year
In Jakarta's temperature order, December sits as the 4th coolest month. Against November, the average high is 1°C (1.8°F) lower, with 54 mm more rain. January is cooler again. By January, typical highs are 29.1°C (84.4°F).
Who December suits
- Sightseeing: less ideal — rain falls on more than half the days.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
- Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.
Tips for visiting Jakarta in December
Rain Protection
A compact umbrella and a light waterproof jacket.
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Jakarta in December?
It feels hot: typical highs are 29.9°C (85.8°F), with lows near 24°C (75.2°F).
Does it rain a lot in Jakarta in December?
Quite a lot — 276 mm spread over about 27 days.
What should I wear in Jakarta in December?
Based on the averages: rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is December or January better for visiting Jakarta?
December scores better on our climate ranking (#9 of 12 vs #11), rated Fair against Fair. January has more rainy days.