Java

Bali & Lombok

Best Time: April to October

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Bali and Lombok enjoy a tropical climate, with the dry season (April to October) offering sunny days and pleasant temperatures, ideal for beach activities and exploring. The wet season (November to March) brings higher humidity and frequent rain showers, especially in January and February.

Worst Time: November to March, due to heavy rains and higher humidity.

Java (Jakarta, Yogyakarta, Bromo)

Best Time: May to September

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Java has a similar tropical climate. The dry season (May to September) is the best time to visit, with sunny and warm conditions perfect for sightseeing and exploring historical sites. During the rainy season (November to March), heavy rains can disrupt travel plans, especially in January and February.

Worst Time: November to March, due to frequent rain showers and possible flooding.

Sumatra

Best Time: May to September

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Sumatra’s dry season (May to September) offers the best time to explore its jungles, volcanoes, and wildlife. The wet season (November to March) brings heavy rainfall, which can make travel to more remote areas difficult.

Worst Time: November to March, due to heavy rains and higher risk of landslides in mountainous areas.

Sulawesi & Flores

Best Time: June to September

Month	Best Time	Average Time	Worst Time
January
February
March
April
May
June
July
August
September
October
November
December

Climate: Sulawesi and Flores see pleasant weather from June to September, ideal for diving, snorkeling, and exploring. The wet season, from December to March, is less ideal due to frequent rainstorms.

Worst Time: November to March, due to heavy rain.

Key:

 Green: Best time to visit.

 Orange: Average time to visit, decent weather but with some drawbacks.

 Red: Worst time to visit, due to extreme weather conditions like heavy rain or heat.