Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Serang
* Weather data for Serang Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 30.5 | 31.4 | 31.2 | 31.6 | 30.7 | 29.9 | 31.4 | 33.5 | 33.8 | 33.9 | 33.4 |
| Average daytime temperature (°C) | 29.0 | 28.6 | 29.7 | 29.5 | 30.1 | 29.5 | 28.6 | 29.9 | 30.9 | 32.5 | 31.5 | 31.0 |
| Average temperature (°C) | 25.4 | 25.2 | 25.7 | 25.8 | 26.0 | 25.7 | 24.7 | 24.7 | 25.3 | 27.1 | 27.0 | 26.9 |
| Average night temperature (°C) | 22.8 | 22.9 | 23.0 | 23.1 | 22.4 | 22.8 | 21.3 | 20.9 | 21.0 | 23.1 | 23.9 | 23.7 |
| Absolute minimum temperature (°C) | 21.8 | 21.8 | 21.0 | 21.7 | 20.7 | 20.9 | 18.5 | 17.0 | 18.5 | 21.0 | 22.7 | 21.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.2 | 5.0 | 7.7 | 8.0 | 9.6 | 9.8 | 9.9 | 10.2 | 10.6 | 10.7 | 9.2 | 8.7 |
| Precipitation (mm) | 355 | 348 | 355 | 304 | 133 | 117 | 72 | 10 | 10 | 52 | 226 | 180 |
| Sunny days | 0 | 0 | 1 | 0 | 8 | 0 | 8 | 13 | 11 | 0 | 0 | 2 |
| Rainy days | 31 | 28 | 30 | 30 | 23 | 30 | 23 | 18 | 19 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Serang is at