October weather forecast
Indonesia

October in Indonesia marks a more pronounced shift towards the wet season, with an increase in rainfall compared to the preceding dry months. Despite this shift, the average temperature remains constant, generally fluctuating between 23°C (73.4°F) and 28°C (82.4°F). Higher altitude regions, such as the highlands of Papua or the mountainous areas in Java, experience slightly cooler temperatures.

When considering rainfall, October is a month of transition with increasing rainfall across the country. Jakarta, for example, receives about 90mm (3.54") of rain, while Bali sees a more significant increase with around 90mm (3.54") to 100mm (3.94") of rainfall. These figures demonstrate the progressing shift from the dry to the wet season.

Comparing October to September, there is a noticeable increase in the amount of rainfall and a decrease in the number of dry, sunny days. As Indonesia advances into November, this trend continues with the wet season becoming more established and the frequency and intensity of rain increasing across the country.

For travelers visiting Indonesia in October, they can expect a mix of sunny and rainy days. While the landscapes are lush and vibrant, and tourist crowds are smaller, the increasing rainfall might pose challenges to some outdoor activities. As always, travelers are advised to exercise caution in areas prone to flooding or landslides, particularly towards the end of the month when rainfall becomes more frequent.

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• Jakarta - October »
  In Jakarta in October, the average water temperature is 29°C (84.2°F). October is the least humid month in Jakarta, with an average relative humidity of 67%.
• Surabaya - October »
  In Surabaya during October, the rain falls for 7.6 days and regularly aggregates up to 14mm (0.55") of precipitation. With an average relative humidity of 63%, October is the least humid month in Surabaya.
• Bandung - October »
  On the first day of October in Bandung, sunrise is at 05:34 and sunset at 17:44. In Bandung, in October, during 25 rainfall days, 106mm (4.17") of precipitation is typically accumulated.
• Medan - October »
  The month with the most rainfall in Medan, Indonesia, is October, when the rain falls for 28.3 days and typically aggregates up to 154mm (6.06") of precipitation. In Medan during October, the rain falls for 28.3 days and regularly aggregates up to 154mm (6.06") of precipitation.
• Bekasi - October »
  In Bekasi in October, during 21.5 rainfall days, 92mm (3.62") of precipitation is typically accumulated. In Bekasi, in October, during 21.5 rainfall days, 92mm (3.62") of precipitation is typically accumulated.
• Palembang - October »
  In Palembang, during October, the rain falls for 19.4 days and regularly aggregates up to 68mm (2.68") of precipitation. In Palembang, October is identified by the average highest temperatures, reaching a peak of 34.1°C (93.4°F) and a low of 24.2°C (75.6°F).
• Tangerang - October »
  September and October, with an average relative humidity of 69%, are the least humid months in Tangerang, Indonesia. October is the month when Tangerang experiences its warmest temperatures, averaging a high of 31.3°C (88.3°F) and a low of 26.5°C (79.7°F).
• Makassar - October »
  October proves to be the warmest month in Makassar, recording an average peak temperature of 31.1°C (88°F) and a minimum temperature of 25.9°C (78.6°F). Temperature readings in Makassar reach their annual highs in October, averaging 31.1°C (88°F) and a minimum average of 25.9°C (78.6°F).
• Semarang - October »
  Semarang experiences its average highest temperatures in October, reaching a peak of 27.9°C (82.2°F) and a minimum of 21.1°C (70°F). Semarang's warmest month, October, registers temperatures that range from a high of 27.9°C (82.2°F) to a low of 21.1°C (70°F).
• Depok - October »
  In Depok, during October, the rain falls for 18.4 days and regularly aggregates up to 39mm (1.54") of precipitation. In Depok, in October, it is raining for 18.4 days, with typically 39mm (1.54") of accumulated precipitation.
• Batam - October »
  October is the least humid month in Batam with an average relative humidity of 72%. In Batam in October, it is raining for 23.1 days, with typically 108mm (4.25") of accumulated precipitation.
• Pekanbaru - October »
  Pekanbaru's weather, upon October's arrival, documents an average high-temperature of a still tropical 31°C (87.8°F), nearly the same as the prior month. On the first day of October in Pekanbaru, sunrise is at 06:00 and sunset at 18:07.