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Cilegon Weather & Climate: Best Time to Visit

The climate in Cilegon, Banten, Indonesia, is remarkably consistent, with temperatures year-round averaging 31°C (88°F). The warmest month is May at 32°C (90°F), and the coolest is August at 30°C (86°F).

The city receives considerable rainfall, with around 2341 mm (92 in) annually. February is the wettest month. It has a distinct rainy season from November to May.

Monthly Temperature in Cilegon

In Cilegon temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in May to a very warm 30°C (86°F) in the coolest month, August.

Nights vary from 26°C (79°F) in May to around 25°C (77°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Cilegon

Cilegon experiences significant rainfall throughout the year, averaging 2341 mm (92 in) of precipitation annually. The climate in Cilegon shows significant variation throughout the year. Expect heavy rainfall in February, the wettest month, with an average of 303 mm (12 in) of precipitation over 14 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 79 mm (3.1 in) of rainfall over 9 rainy days. For more details, please visit our Cilegon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Cilegon 3-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Cilegon

The warm weather in Cilegon maintains temperatures between 30°C (86°F) and 32°C (90°F) year-round. Plan your visit during July, August and September for drier days and the best conditions to enjoy being outside.

To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.

Be aware that January, February, March, April, May, November and December constitute the rainy season, with significant precipitation.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.