Travel advice for Indonesia
From travel safety to visa requirements, discover the best tips for visiting Indonesia
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Read all reviews ⤍Indonesia in December is notorious for its rain showers, which can be heavy but usually short-lived. Mornings often start bright and sunny, ideal for early adventures, but by midday, clouds gather, promising a refreshing drenching. If you’re ready to experience the monsoon season, here’s our guide to the weather in Indonesia in December.
Indonesia experiences its peak rainy season during this month due to its tropical climate. Although December coincides with the festive season and offers generally warm temperatures, it also marks a significant increase in rainfall.
Across Indonesia, rainfall averages vary considerably, typically from 200 to 400 mm. That's a lot of rain, which keeps the landscapes a fantastic green but might dampen your plans for beach days or hikes.
Transportation, particularly in rural or island areas, may be affected by occasional flooding and slower travel due to wet conditions on roads.
Overall, December is not the best time to visit Indonesia because of the heavy rainfall and potential disruptions to travel plans. However, it could be a budget-friendly option if you don't mind the rain and prefer quieter tourist spots. Just be sure to prepare with rain gear and an adaptable itinerary.
Read all about the best time to visit Indonesia.
Sire beach, white sand beach in Lombok, Indonesia © Shutterstock
Daytime temperatures in December typically reach around 31°C (88°F). The weather this month is warm and humid interspersed with frequent afternoon showers and thunderstorms. At night, temperatures cool down to about 25°C (77°F).
Compared to the dry season months (June to October), December sees a significant increase in rainfall and cloud cover, leading to more variable and potentially wet weather. Sea temperatures remain warm, averaging around 28°C (82°F).
Jakarta and Java experience warm and rainy weather in December, with daytime temperatures averaging around 29°C (84°F). Humidity levels are high, and rainfall is frequent and heavy, often accompanied by thunderstorms. The wet conditions nourish Java's agricultural lands and rainforests, making December a month of lush greenery but also occasional disruptions to outdoor activities due to persistent rain.
In December, Bali and the Lesser Sunda Islands, including Lombok and Flores, have temperatures ranging from 25°C to 30°C (77°F to 86°F). The islands experience significant rainfall throughout the month, with frequent showers and occasional thunderstorms. Humidity levels remain high.
Sumatra in December sees temperatures between 23°C and 28°C (73°F to 82°F). Coastal areas like Medan and Padang experience heavy rainfall, contributing to the peak of the wet season. Inland regions receive substantial precipitation, maintaining the island's rainforests and supporting its diverse wildlife. December is characterized by humid conditions and persistent rain showers that enrich Sumatra's natural environments.
Papua and eastern Indonesia, including Sulawesi and the Moluccas, have temperatures ranging from 25°C to 31°C (77°F to 88°F) in December. The region experiences heavy rainfall as the wet season continues, with humidity levels remaining high. Persistent showers are common, particularly in mountainous areas and rainforests, creating challenging yet fertile conditions that sustain the region's biodiversity and cultural richness.
The weather in Indonesia in December is great for seeing Bali's temples © Shutterstock
December can be a mixed bag for travelers considering a trip to Indonesia. The weather in Indonesia in December signals the start of the rainy season, characterized by frequent, heavy downpours that typically occur in the afternoon or evening.
While the temperatures remain comfortably warm, the rain can disrupt outdoor plans and make some areas more humid and muddy. For sun-seekers or those who prefer dry weather, this might not be the ideal time to visit.
However, the rain brings a lush vibrancy to the landscape, making destinations like Bali, Jakarta, and Yogyakarta particularly beautiful and green.
Swimming is still possible, especially in coastal regions where the sea remains warm and inviting. If you don't mind occasional rain, you can enjoy Indonesia's rich cultural experiences, such as Christmas celebrations in Christian-majority areas and end-of-year festivities nationwide.
Indoor activities like visiting museums, art galleries, and exploring Indonesia’s culinary scene are also great alternatives during rainy spells.
Decided to book a December break? For further inspo, discover more of the best places to visit in December.
Maluku, part of the best Indonesian Islands © Ties Lagraauw
In December, Indonesia experiences a mix of crowds and costs that can vary depending on the specific destination within the country. Generally, tourist traffic is moderately high during December due to the holiday season and pleasant weather in many parts of Indonesia (despite the rain). Popular tourist spots such as Bali, Yogyakarta, and Jakarta tend to see increased visitor numbers during this time, leading to somewhat higher accommodation prices and more crowded attractions.
Cost-wise, while Indonesia is generally affordable for travelers throughout the year, December might see slightly inflated prices for accommodations and activities, especially in highly touristic areas. However, compared to peak tourist seasons in other countries, Indonesia remains relatively budget-friendly.
For those looking to avoid larger crowds and possibly find better deals, other months such as April to October are recommended. During these months, Indonesia experiences dry seasons in many regions, making it way more ideal for outdoor activities and exploration with fewer tourists compared to the December holiday season.
The weather in Indonesia in December is rainy, including Lombok © Ties Lagraauw
When planning your trip to Indonesia, be sure to look for the many festivals and events that may coincide with your visit. It's advisable to book accommodations early, as they often fill up quickly. For additional trip ideas and recommendations, check out see our Indonesia trip ideas.
Denpasar Festival is an annual cultural event held in Denpasar, Bali. It celebrates Balinese arts, culture, and culinary traditions through art exhibitions, traditional dance performances, music concerts, fashion shows, and culinary showcases.
Denpasar Festival aims to promote tourism in Bali's capital city while preserving and showcasing the island's cultural heritage and artistic talents.
The Djakarta Warehouse Project (DWP) is one of Asia's largest electronic dance music festivals, held annually in Jakarta. It features performances by top international DJs and electronic music artists, attracting thousands of music enthusiasts from around the world. DWP is known for its elaborate stage designs, light shows, and immersive music experiences.
Sidemen in Bali, one of the best Indonesian islands © Ties Lagraauw
New Year's Eve celebrations in Indonesia are festive and lively, with cities and tourist destinations hosting special events, fireworks displays, and parties to welcome the new year.
Popular spots such as Jakarta, Bali, Yogyakarta, and Bandung come alive with street performances, music concerts, countdown events, and spectacular fireworks lighting up the skies. Indonesians gather with family and friends to celebrate the transition to the new year with joyous festivities.
Pemuteran Bay Festival is a community-based marine conservation and cultural event held in Pemuteran, North Bali, usually in December. It aims to raise awareness about marine conservation efforts and sustainable tourism practices through educational programs, beach clean-ups, coral reef restoration activities, and traditional ceremonies.
The festival includes cultural performances, eco-friendly tours, and workshops on marine biodiversity, attracting both locals and international visitors.
Iraw Tengkayu is an annual cultural festival held in Tarakan, North Kalimantan, usually in December. It celebrates the cultural diversity and maritime heritage of Tarakan through traditional dance performances, music concerts, boat races, culinary exhibitions, and cultural exhibitions.
Sea turtle sanctuary in Gili Meno Island, Indonesia © Shutterstock
Ready to explore Indonesia? Skip the hours of planning and let our local travel experts handle everything for you. Our trips are fully customizable and include 24/7 support throughout your adventure. Check out some of our Indonesia itineraries for inspiration:
From travel safety to visa requirements, discover the best tips for visiting Indonesia
written by
Dre Roelandt
updated 11.07.2024
Dre Roelandt is originally from the United States but lives and works in Berlin, Germany. Dre is a freelance writer and artist with a passion for travelling. They are an in-house Senior Content Editor at Rough Guides.