Monthly weather forecast and climate
Jakarta, Indonesia

The cityscape of Jakarta, Indonesia, under a dramatic evening skyline
The cityscape of Jakarta, Indonesia, under a dramatic evening skyline
Jakarta, the capital of Indonesia, has a tropical monsoon climate that is classified under the Köppen climatic classification as Am.
The city is characterized by one long and the wet season running from October to May and one short dry season running from June through September. September is the warmest month and the least humid, while January is averagely the most humid and the wettest month.

The city is generally warm with an annual average high temperature of 31°C (87.8°F) and an annual average low temperature of 26.3°C (79.3°F). Rainfall is experienced more in the wet season and intermittently during the dry season. During the rainy season, the average monthly precipitation measures up to 299.7mm (11.8"), which sometimes result in floods in the relatively flat areas.

The skies in Jakarta are relatively clear of the entire year, with the wet season experiencing a small percentage of the possibility of cloudy skies and the dry season experiencing very minimal clouds. Fog and snow are rare occurrences in the city, and during the months between November and February, the sun gets mildly hot and gets hotter from mid-March through late October.
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Jakarta's weather is lovely during the dry season. From June to mid-October, the temperatures are scorching at an average between 26°C (78.8°F) and 32°C (89.6°F) sometimes going up to 33°C (91.4°F). The city becomes less crowded as people move out to take cover from the heat. The sea temperature is warm and pleasant for all the water activities to cool off the heat. Expect up to twelve hours of daylight sun and magnificently clear skies great for sightseeing and skydiving. The dry season is a great time to visit parks and nature-friendly exhibitions because the rainfall and wind speed are so minimal and the crowds small; hence, no interruptions are expected.

Jakarta is not the best place to visit during its wet season, especially during the months between October and February. Owing to its low-lying placement on the Coast of West Java and its elevation of 8m above sea level, Jakarta is prone to floods during the rainy periods.

During the rainy season, Jakarta is susceptible to experiencing flooding due to its low placement in the West Java coast. It is made worse by the dense population experienced over the years.

The city experiences sunshine hours of up to 188 per month on average, and the temperatures range between 26°C (78.8°F) and 30°C (86°F). Weather in January »

Temperatures in February remain constant at 26°C (78.8°F) minimum and 30°C (86°F) maximum. The humidity, too, remains steady at 85%. Weather in February »

The weather is generally warm and pleasant, and the average temperatures range between 26°C (78.8°F) and 31°C (87.8°F). Weather in March »

The minimum average temperature remains steady at 26°C (78.8°F), but the maximum average temperature rises a bit to 32°C (89.6°F). Weather in April »

The average temperatures steadily scorching at 26°C (78.8°F) at its lowest, and 32°C (89.6°F) at the highest reading. Weather in May »

The sea temperature in June reads a steady 28°C (82.4°F) even as it remains a transitional month into the dry season. Weather in June »

The minimal rains make it drier, but the skies are clear, and the windspeed minimal. This weather makes a perfect time for sightseeing. Weather in July »

Temperatures in Jakarta in September rise to the range between 26°C (78.8°F) and 32°C (89.6°F) making the weather extremely warm. Weather in August »

September is the warmest month of the year with the temperatures going as high as 33°C (91.4°F) maximum and 27°C (80.6°F) at the minimum. Weather in September »

October is the official transitional month into the rainy season. It is characterized by a rise in the rain gauge meter readings to 119.4mm (4.7"). Weather in October »

The wet season starts to pick in November with the humidity rising to 80% and with the rain falling for an average of thirteen days. Weather in November »

December in Jakarta is more humid than the past few months, with a high score of 82%. Rainfall rises even further to fall for fourteen days on average throughout the month. Weather in December »

What is the coldest month in Jakarta?

January is the coldest month in Jakarta, Indonesia, with an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 24.2°C (75.6°F).

How many days does it rain in Jakarta?

In Jakarta, during the entire year, the rain falls for 130 days, and collects up to 1855mm (73") of precipitation.

What is the wettest month in Jakarta?

The month with the most rainfall is January when the rain falls for 19 days and typically aggregates up to 402mm (15.8") of precipitation.

What is the driest month in Jakarta?

The month with the least rainfall in Jakarta, Indonesia, is July when the rain falls for 6 days and typically collects 58mm (2.3") of precipitation.

What is the warmest month in Jakarta?

The warmest month is September, with an average high-temperature of 33°C (91.4°F) and an average low-temperature of 25.5°C (77.9°F).
Average temperature - Jakarta, Indonesia
Average humidity - Jakarta, Indonesia
Average rainfall - Jakarta, Indonesia
Average rainfall days - Jakarta, Indonesia
Average sea temperature - Jakarta, Indonesia

Best months for swimming (with the highest average sea temperature) are April and May (30°C).
Coldest months (with the lowest average sea temperature) are January and February (28°C).

Average daylight / Average sunshine - Jakarta, Indonesia

The month with the longest days is December (Average daylight: 12.5h).
Months with shortest days are May, June and July (Average daylight: 11.8h).

The month with most sunshine is September (Average sunshine: 9.7h).
The month with least sunshine is January (Average sunshine: 6.1h).

Average UV index - Jakarta, Indonesia

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).

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