October 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
October, the same as September, in Jakarta, Indonesia, is another hot spring month, with average temperature fluctuating between 26°C (78.8°F) and 31.8°C (89.2°F).

Temperature

The warmest month is October, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 26°C (78.8°F).

Heat index

The average heat index is calculated to a sweltering 38.8°C (101.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like pregnancy, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The least humid month is October, with an average relative humidity of 67%.

Rainfall

In Jakarta, it is raining for 20 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, in Jakarta, there are 252 rainfall days, and 1150mm (45.28") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature is 29°C (84.2°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Jakarta, Indonesia, the average length of the day is 12.2h.

Sunshine

In October, the average sunshine in Jakarta is 9.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Jakarta. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Jakarta?

The warmest month is October, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 26°C (78.8°F).

What is the temperature in October in Jakarta?

The average high-temperature, in October, in Jakarta, is 31.8°C (89.2°F), while the average low-temperature is 26°C (78.8°F). In October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 38.8°C (101.8°F).

What is the least humid month in Jakarta?

The least humid month in Jakarta, Indonesia, is October, with an average relative humidity of 67%.

What is the average humidity in October in Jakarta?

In October, the average relative humidity in Jakarta is 67%.

How much does it rain in Jakarta in October?

In Jakarta, in October, during 20 rainfall days, 69mm (2.72") of precipitation is typically accumulated.

What is the sea water temperature in October in Jakarta?

In Jakarta, Indonesia, in October, the average water temperature is 29°C (84.2°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 average length of the day in October in Jakarta?

In October, the average length of the day in Jakarta, Indonesia, is 12.2h.

How many hours of sunshine does Jakarta have in October?

In October, the average sunshine in Jakarta, Indonesia, is 9.5h.

When is the highest UV index in Jakarta?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

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

Months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index intensity in October in Jakarta?

In October, the average daily maximum UV index in Jakarta, Indonesia, is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in October - Jakarta, Indonesia
  • Average high temperature in October: 31.8°C

The warmest month (with the highest average high temperature) is October (31.8°C).
Months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in October: 26°C

The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).

Average pressure in October - Jakarta, Indonesia
  • Average pressure in October: 1010.5mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in October - Jakarta, Indonesia
  • Average wind speed in October: 8.6km/h

The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).

Average humidity in October - Jakarta, Indonesia
  • Average humidity in October: 67%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is October (67%).

Average rainfall in October - Jakarta, Indonesia
  • Average rainfall in October: 69mm

The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is August (35mm).

Average rainfall days in October - Jakarta, Indonesia
  • Average rainfall days in October: 20 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (11.6 days).

Average sea temperature in October - Jakarta, Indonesia
  • Average sea temperature in October: 29°C

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

Average daylight in October / Average sunshine in October - Jakarta, Indonesia
  • Average daylight in October: 12.2h

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

  • Average sunshine in October: 9.5h

The month with the most sunshine is March (Average sunshine: 10.2h).
The month with the least sunshine is July (Average sunshine: 7.3h).

Average sunshine days in October - Jakarta, Indonesia
  • Average sunshine days in October: 9.2 days

The month with the most sunshine days is August (16 days).
The month with the least sunshine days is February (2.6 days).

Average UV index in October - Jakarta, Indonesia
  • Average UV index in October: 7

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in October - Jakarta, Indonesia
  • Average cloud cover in October: 26

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in October - Jakarta, Indonesia
  • Average visibility in October: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).