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December in Cilegon averages a daily high of 31.8°C with nights around 23.5°C. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cilegon is March–January.
Based on SERANG, ID (14.4km), 1995–2024. 17 years of December data.
See all twelve months for Cilegon →