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Serang Weather by Month
Average temperatures, rainfall and humidity for Serang, Indonesia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Serang month looks like before you travel — then check the live Serang forecast for the days ahead.
Warmest month
October
33°C average high
Coolest month
February
24°C average low
Wettest month
January
91 mm of rain
Driest month
July
17 mm of rain
Average temperature and rainfall in Serang by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 30°C | 24°C | 20°C / 35°C | 91 mm | 82% | 11 km/h |
| February | 30°C | 24°C | 17°C / 35°C | 76 mm | 83% | 10 km/h |
| March | 31°C | 25°C | 20°C / 35°C | 65 mm | 80% | 10 km/h |
| April | 32°C | 25°C | 19°C / 35°C | 50 mm | 79% | 9 km/h |
| May | 32°C | 25°C | 18°C / 35°C | 35 mm | 78% | 9 km/h |
| June | 32°C | 25°C | 22°C / 36°C | 25 mm | 77% | 9 km/h |
| July | 32°C | 25°C | 21°C / 52°C | 17 mm | 74% | 9 km/h |
| August | 32°C | 25°C | 19°C / 36°C | 23 mm | 72% | 9 km/h |
| September | 33°C | 25°C | 22°C / 37°C | 32 mm | 71% | 9 km/h |
| October | 33°C | 25°C | 20°C / 36°C | 36 mm | 73% | 9 km/h |
| November | 32°C | 25°C | 20°C / 37°C | 65 mm | 76% | 10 km/h |
| December | 32°C | 25°C | 20°C / 36°C | 66 mm | 78% | 12 km/h |
Best time to visit Serang
The most comfortable time to visit Serang is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around January, totalling about 580 mm a year.
Travellers who prefer heat should aim for October, when highs average 33°C. January is the month to avoid if rain would spoil your plans — it averages 91 mm, roughly 5× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Serang forecast for what is happening now.
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