Cilegon Weather in December

Cilegon in December averages 30°C (86°F) during the day and 25°C (77°F) at night. December is part of the rainy season, so frequent rainfall is typical.

Rainfall in Cilegon in December

As part of the rainy season, Cilegon sees around 19 days of rain in December, with an average of 302 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in Cilegon in December

Expect highs of 30°C (86°F) in Cilegon in December, with nights dropping to around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

December in Cilegon can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.