Indonesia in august: average Weather, Temperature and Climate, Where to go?
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
Clear/Sunny
67% of time
22%
10%
2%
Weather at 12pm
90°F
Clear/Sunny
68% of time
18%
13%
2%
Weather at 6pm
81°F
Clear/Sunny
42% of time
23%
22%
14%
Weather at 3am
79°F
60%
24%
14%
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
Where to go in each region in august?
| Bali (Denpasar, Ubud, Amed...) | 81°F to 85°F | 1 à 3 days | 81°F to 83°F | good weather* |
| Borneo (Kalimantan) (Pontianak (Borneo), Samarinda, Palangkaraya...) | 86°F to 94°F | 6 à 21 days | 85°F to 86°F | good weather* |
| Indonesian Papua (Jayapura, Raja Ampat Islands, Merauke...) | 65°F to 88°F | 3 à 30 days | 85°F to 86°F | tolerable weather* |
| Java (Jakarta, Bandung, Surabaya...) | 79°F to 94°F | 0 à 11 days | 79°F to 85°F | good weather* |
| Lesser Sunda Islands (Sumba (Waingapu), Flores, Komodo island...) | 83°F to 86°F | 0 à 1 days | 81°F | perfect weather |
| Lombok (Mataram, Gili Air, Selong Blanak...) | 83°F to 85°F | 1 à 2 days | 81°F to 83°F | perfect weather |
| Maluku Islands (Ambon, Banda Islands, Ternate...) | 81°F to 86°F | 0 à 20 days | 79°F to 85°F | tolerable weather* |
| Sulawesi (Makassar, Manado, Kendari...) | 79°F to 90°F | 1 à 24 days | 83°F to 86°F | good weather* |
| Sumatra (Medan, Palembang, Padang City...) | 79°F to 94°F | 6 à 23 days | 85°F to 86°F | tolerable weather* |
| Sumbawa (Sumbawa Besar, Bima, Taliwang...) | 86°F to 88°F | 0 à 1 days | 81°F to 83°F | perfect weather |
| West Timor (Kupang, Atambua, Kefamenanu...) | 83°F to 85°F | 0 à 1 days | 81°F | perfect weather |
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 |
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 |
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 |
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 |
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 |
All cities in Indonesia in august
| Java (Jakarta) in august | good weather |
| Bali in august | good weather |
| Lombok in august | perfect weather |
| Sulawesi (Makassar) in august | good weather |
| Sumatra (Medan) in august | tolerable weather |
| Flores in august | perfect weather |
| Kalimantan (Borneo) in august | good weather |
| Komodo island in august | perfect weather |
| Moluques in august | tolerable weather |
| Indonesian Papua in august | tolerable weather |
| Sumba (Waingapu) in august | perfect weather |
| Sumbawa in august | perfect weather |
| Timor in august | perfect weather |
| Rote Island in august | perfect 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.