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Cilegon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cilegon.
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Climate overview of Cilegon
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 January 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.
Cilegon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cilegon - and find the best time to visit.
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, January.
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
The average number of days each month with precipitation
Best Time to Visit Cilegon
Compared with the rest of the year, the most comfortable conditions in Cilegon are usually found in August and September. Conditions are generally least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very wet
Feb
very wet
Mar
very wet
Apr
very wet
May
mixed
Jun
mixed
Jul
mixed
Aug
good
Sep
good
Oct
mixed
Nov
very wet
Dec
very wet
- Best overall: August and September
- Warmest weather: all year round
- Fewest rainy days: July, August and September
- Seasonal pattern: A distinct rainy season from November to May
Frequently asked questions about the climate in Cilegon
What is the best time to visit Cilegon?
August and September typically offer the most optimal weather in Cilegon. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Cilegon has a distinct rainy season from November to May.
What temperatures can I expect in Cilegon?
Daytime highs range from 30°C (86°F) in January to 32°C (90°F) in May. Nighttime lows range from 25°C (77°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Cilegon get?
Annual rainfall is around 2341 mm (92 in). February is the wettest month with 303 mm (12 in), while August is the driest with 79 mm (3.1 in).
Cilegon 3-Day Forecast
Cilegon on the map
Cilegon is highlighted - select any city to see its climate.
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