Jakarta
Indonesia
Long-term weather forecast
Long-term weather forecast

January 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
January is the most humid month in Jakarta at 85% and the wettest month with rains falling for an average of twenty days across the month to precipitate at an average of 299.7mm (11.8").
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). While this is relatively warm for a rainy day, it is important to note that the sea temperature is high at an average of 28°C (82.4°F) across the month.
Rain in Jakarta may result in floods due to its low placement and nearness to water bodies.

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).

What is the temperature in January in Jakarta?

The average high-temperature, in January, in Jakarta, Indonesia, is 29.9°C (85.8°F), while the average low-temperature is 24.2°C (75.6°F).

What are the most humid months in Jakarta?

Months with the highest humidity in Jakarta are January and February, with an average relative humidity of 85%.

What is the average humidity in January in Jakarta?

In January, the average relative humidity is 85%.

How many days does it rain in January in Jakarta?

In Jakarta, Indonesia, in January, it is raining for 19 days, with typically 402mm (15.8") of accumulated precipitation.

What is the rainiest month in Jakarta?

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

What are the months with the coldest sea water in Jakarta?

Months with the coldest seawater in Jakarta are January and February, with an average sea temperature of 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the sea water temperature in January in Jakarta?

In January, the average sea temperature in Jakarta, Indonesia, is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Jakarta have in January?

In Jakarta, the average length of the day in January is 12.4h.

What is the month with the least sunshine in Jakarta?

January has the least sunshine of the year in Jakarta, Indonesia, with an average of 6.1h of sunshine.

How many hours of sunshine does Jakarta have in January?

In Jakarta, Indonesia, the average sunshine in January is 6.1h.

What are the months with the highest UV index in Jakarta?

Months with the highest UV index in Jakarta are January through April, August through December, with an average maximum UV index of 12.

What is the UV index intensity in January in Jakarta?

The average daily maximum UV index in January is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in January - Jakarta, Indonesia
  • Average high temperature in January: 29.9°C

The warmest month (with the highest average high temperature) is September (33°C).
The month with the lowest average high temperature is January (29.9°C).

  • Average low temperature in January: 24.2°C

Months with the highest average low temperature are September and October (25.5°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).

Average humidity in January - Jakarta, Indonesia
  • Average humidity in January: 85%

Months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is September (75%).

Average rainfall in January - Jakarta, Indonesia
  • Average rainfall in January: 402mm

The wettest month (with the highest rainfall) is January (402mm).
The driest month (with the lowest rainfall) is July (58mm).

Average rainfall days in January - Jakarta, Indonesia
  • Average rainfall days in January: 19 days

The month with the highest number of rainy days is January (19 days).
The month with the lowest number of rainy days is August (5 days).

Average sea temperature in January - Jakarta, Indonesia
  • Average sea temperature in January: 28°C

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 in January / Average sunshine in January - Jakarta, Indonesia
  • Average daylight in January: 12.4h

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).

  • Average sunshine in January: 6.1h

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 in January - Jakarta, Indonesia
  • Average UV index in January: 12

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).