Average annual temperature is 27.5 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 20.4 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Kota Cilegon
* Weather data for Kota Cilegon 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) | 32.6 | 31.2 | 31.3 | 32.6 | 32.9 | 33.6 | 33.2 | 34.3 | 36.8 | 36.2 | 34.6 | 35.2 |
| Average daytime temperature (°C) | 29.5 | 29.0 | 29.3 | 30.8 | 31.7 | 30.9 | 31.4 | 32.8 | 33.4 | 34.3 | 32.7 | 32.3 |
| Average temperature (°C) | 26.4 | 26.2 | 26.4 | 27.3 | 28.1 | 27.3 | 27.0 | 27.8 | 28.2 | 29.0 | 28.2 | 27.6 |
| Average night temperature (°C) | 24.0 | 24.1 | 23.9 | 24.4 | 24.9 | 24.1 | 23.2 | 23.3 | 23.4 | 24.5 | 24.4 | 23.8 |
| Absolute minimum temperature (°C) | 22.5 | 22.9 | 22.8 | 22.7 | 23.7 | 22.9 | 21.1 | 21.1 | 21.5 | 22.5 | 23.3 | 20.4 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 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) | 8.9 | 7.7 | 9.6 | 9.9 | 10.3 | 9.8 | 10.3 | 11.0 | 11.2 | 11.2 | 10.1 | 10.2 |
| Precipitation (mm) | 178 | 316 | 188 | 83 | 70 | 108 | 100 | 25 | 18 | 29 | 130 | 99 |
| Sunny days | 2 | 1 | 0 | 1 | 0 | 2 | 3 | 4 | 10 | 4 | 0 | 6 |
| Rainy days | 29 | 27 | 31 | 29 | 31 | 28 | 28 | 27 | 20 | 27 | 30 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kota Cilegon is at