Weather in Indonesia in august 2025

Here, check out the weather forecast for the month of august for most popular cities in Indonesia. These predictions are probabilities for august from weather reports for over 10 years. The percentage indicates the probability of having the weather mentioned.

Average weather in august in Java (Jakarta)

good weather UV index: 7

Weather at 6am
81°F

Partly Cloudy

22%

Moderate rain at times

10%

Heavy rain

2%

Weather at 12pm
90°F

Partly Cloudy

18%

Moderate rain at times

13%

Heavy rain

2%

Weather at 6pm
81°F

Partly Cloudy

23%

Moderate rain at times

22%

Heavy rain

14%

Weather at 3am
79°F

Clear/Sunny

60%

Partly Cloudy

24%

Moderate rain at times

14%

Heavy rain

3%

More information about the weather in Java (Jakarta) in august



Where to go in Indonesia in august?

Where to go in Indonesia in august: destination map

Indonesia: weather map in august in different regions
Indonesia: weather map in august in different regions ©whereandwhen.net

Download the map

Where to go in each region in august?

Bali
(Denpasar, Ubud, Amed...)
81°F to 85°F1 à 3 days81°F to 83°F
good weather*
Borneo (Kalimantan)
(Pontianak (Borneo), Samarinda, Palangkaraya...)
86°F to 94°F6 à 21 days85°F to 86°F
good weather*
Indonesian Papua
(Jayapura, Raja Ampat Islands, Merauke...)
65°F to 88°F3 à 30 days85°F to 86°F
tolerable weather*
Java
(Jakarta, Bandung, Surabaya...)
79°F to 94°F0 à 11 days79°F to 85°F
good weather*
Lesser Sunda Islands
(Sumba (Waingapu), Flores, Komodo island...)
83°F to 86°F0 à 1 days81°F
perfect weather
Lombok
(Mataram, Gili Air, Selong Blanak...)
83°F to 85°F1 à 2 days81°F to 83°F
perfect weather
Maluku Islands
(Ambon, Banda Islands, Ternate...)
81°F to 86°F0 à 20 days79°F to 85°F
tolerable weather*
Sulawesi
(Makassar, Manado, Kendari...)
79°F to 90°F1 à 24 days83°F to 86°F
good weather*
Sumatra
(Medan, Palembang, Padang City...)
79°F to 94°F6 à 23 days85°F to 86°F
tolerable weather*
Sumbawa
(Sumbawa Besar, Bima, Taliwang...)
86°F to 88°F0 à 1 days81°F to 83°F
perfect weather
West Timor
(Kupang, Atambua, Kefamenanu...)
83°F to 85°F0 à 1 days81°F
perfect weather
*over most of the region. Weather may vary locally.


Where should you go in Indonesia in august when it comes to the weather?

Remember:
The climate in Indonesia in august ranges from perfect to tolerable depending on the region and city.

Large expanses of islands and archipelago, Indonesia has a wide variety of climates due to the influence of its geographical situation. Thus, the island of Sumatra faces high humidity due to its exposure in front of the Indian Ocean. In the center of the country, the climatic conditions are just suitable for outdoor outings. It is in the southern islands that the climate throughout August in Indonesia is favorable to the practice of all kinds of outdoor activities.

Sumatra and Northwestern Indonesia in August

Climatic conditions in Sumatra and neighboring islands are characterized by high humidity levels, as even though this period is at the heart of the dry season - rains continue to govern the weather throughout August in Indonesia, especially in the northern part of the country. Do not be fooled by the beautiful sunshine in the morning and the pleasant heat, as the rains are likely to come as a surprise at any time of the day!

Borneo and Central Indonesia in August

Temperatures in Borneo vary between 26° C and 34° C, which is less warm than those recorded in Sumatra. The overheated atmosphere characterizes the climatic conditions in Borneo. Therefore, make sure to choose the best times for outings because in midday, the combination of heat and humidity promotes an overwhelming feeling of heat. As in the northwest of the country, the August weather in Indonesia in this region is governed by rains that can occur at any time.

The Small Islands of Southern Indonesia in August

Except for the relatively high heat as well as relatively frequent rains in the locality of Jakarta, all the islands in the south of the country enjoy magnificent climatic conditions. The heat is pleasant and the relatively short rains do not affect the quality of the weather, which is favorable for all kinds of outdoor activities - be it hiking or swimming.


Climate in Indonesia in august

Climate in Java (Jakarta) in august

In the month of august, the mean temperature in Java (Jakarta) is 86°F (maximum temperature is 90°F and minimum temperature is 81°F). The climate is very warm there in this month. With 4in over 6 days, you will experience some showers throughout your holidays. But this is rather moderate and it is only of temporary showers.
With proper weather, the month of august is okay (but not the best month) for traveling in this city.

August
Average temperature 86°F
Highest temperature 90°F
Lowest temperature 81°F
Sea temperature 84°F
Rainfall 4in
Number of days with rainfall 6 day(s)
(20%)
Humidity 78%
Daily sunshine hours 11
Cloud cover 22%
Length of day 11:54
Our opinion at whereandwhen.net good
more information about the climate in Java (Jakarta) in august

Climate in Bali in august

In the month of august, the mean temperature in Bali is 81°F (maximum temperature is 81°F and minimum temperature is 79°F). The climate comfortable there in august. With just 1.6in over 2 days, rain may be scarce for your stay.
With a good climate, the month of august is a good month to go in that area in Indonesia.

August
Average temperature 81°F
Highest temperature 81°F
Lowest temperature 79°F
Sea temperature 80°F
Rainfall 1.6in
Number of days with rainfall 2 day(s)
(5%)
Humidity 82%
Daily sunshine hours 11
Cloud cover 37%
Length of day 11:49
Our opinion at whereandwhen.net good
more information about the climate in Bali in august

Climate in Lombok in august

In the month of august, maximum temperature is 83°F and minimum temperature is 76°F (for an average temperature of 79°F). The climate is burning there in the month of august. With barely 1.7in over 2 days, rain may be scarce throughout your journey.
With a good weather, the month of august is a good time to go in this city in Indonesia.

August
Average temperature 79°F
Highest temperature 83°F
Lowest temperature 76°F
Sea temperature 80°F
Rainfall 1.7in
Number of days with rainfall 2 day(s)
(7%)
Humidity 81%
Daily sunshine hours 12
Cloud cover 24%
Length of day 11:50
Our opinion at whereandwhen.net perfect
more information about the climate in Lombok in august

Climate in Sulawesi (Makassar) in august

In the month of august, maximum temperature is 90°F and minimum temperature is 81°F (for an average temperature of 85°F). The climate is burning there in august. With just 1in over 1 days, the rain will not be a problem throughout your trip.
With good weather conditions, the month of august is an advisable month to go there.

August
Average temperature 85°F
Highest temperature 90°F
Lowest temperature 81°F
Rainfall 1in
Number of days with rainfall 1 day(s)
(4%)
Humidity 74%
Daily sunshine hours 12
Cloud cover 17%
Length of day 11:57
Our opinion at whereandwhen.net good
more information about the climate in Sulawesi (Makassar) in august

Climate in Sumatra (Medan) in august

In the month of august, the mean temperature in Sumatra (Medan) is 86°F (maximum temperature is 94°F and minimum temperature is 77°F). The climate is burning in this city in august. With 8.8in over 17 days, rain may occur during your trip. But this is pretty reasonably and you will not be too bothered by it.

August
Average temperature 86°F
Highest temperature 94°F
Lowest temperature 77°F
Sea temperature 86°F
Rainfall 8.8in
Number of days with rainfall 17 day(s)
(55%)
Humidity 86%
Daily sunshine hours 11
Cloud cover 34%
Length of day 12:14
Our opinion at whereandwhen.net tolerable
more information about the climate in Sumatra (Medan) in august


All cities in Indonesia in august

Java (Jakarta) in augustgood weather
Bali in augustgood weather
Lombok in augustperfect weather
Sulawesi (Makassar) in augustgood weather
Sumatra (Medan) in augusttolerable weather
Flores in augustperfect weather
Kalimantan (Borneo) in augustgood weather
Komodo island in augustperfect weather
Moluques in augusttolerable weather
Indonesian Papua in augusttolerable weather
Sumba (Waingapu) in augustperfect weather
Sumbawa in augustperfect weather
Timor in augustperfect weather
Rote Island in augustperfect weather


Weather data for Indonesia in august:

Weather data for Indonesia in august is derived from an average of the weather forecast since 2009 in Indonesia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Indonesia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Indonesia.


Change units