South Tangerang is warmest in October, averaging 30° by day and 22° at night. The wettest month is February with 420 mm, and the year brings about 2648 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 28° | 22° | 295 mm | 29° | 12.3 h | Rainy season |
| February | 28° | 22° | 420 mm | 29° | 12.2 h | Rainy season |
| March | 28° | 22° | 353 mm | 30° | 12.0 h | Rainy season |
| April | 29° | 23° | 240 mm | 30° | 11.9 h | Rainy season |
| May | 29° | 22° | 171 mm | 30° | 11.7 h | Mild |
| June | 29° | 22° | 135 mm | 30° | 11.6 h | Mild |
| July | 29° | 21° | 121 mm | 29° | 11.7 h | Mild |
| August | 30° | 20° | 65 mm | 29° | 11.8 h | Beach weather |
| September | 30° | 21° | 135 mm | 29° | 12.0 h | Mild |
| October | 30° | 22° | 189 mm | 30° | 12.1 h | Rainy season |
| November | 29° | 23° | 270 mm | 30° | 12.3 h | Rainy season |
| December | 28° | 22° | 254 mm | 30° | 12.4 h | Rainy season |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: August — highs around 30°, nights no colder than 20°, and at most 65 mm of rain in a month. The sea sits at 29–29° then.
Wet season: January, February, March, April, October, November and December — up to 420 mm in a single month.