Average annual temperature is 26.3 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of Fos
* Weather data for Fos 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) | 35.5 | 33.9 | 33.2 | 33.8 | 33.3 | 32.6 | 32.3 | 31.7 | 33.0 | 34.8 | 34.2 | 34.1 |
| Average daytime temperature (°C) | 31.0 | 31.4 | 31.0 | 31.4 | 30.6 | 30.7 | 29.7 | 30.2 | 30.2 | 31.8 | 31.5 | 32.0 |
| Average temperature (°C) | 26.5 | 26.6 | 26.3 | 26.2 | 26.2 | 26.2 | 25.7 | 26.0 | 25.9 | 26.5 | 26.7 | 27.1 |
| Average night temperature (°C) | 23.9 | 23.9 | 23.5 | 23.5 | 23.7 | 23.6 | 23.3 | 22.9 | 22.9 | 23.2 | 23.8 | 24.3 |
| Absolute minimum temperature (°C) | 22.8 | 22.9 | 22.6 | 22.6 | 22.9 | 22.4 | 22.3 | 21.6 | 21.2 | 21.6 | 22.6 | 23.0 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.9 | 8.1 | 8.1 | 8.1 | 7.1 | 7.5 | 6.5 | 7.9 | 8.1 | 8.9 | 8.9 | 8.8 |
| Precipitation (mm) | 288 | 244 | 391 | 410 | 507 | 303 | 287 | 137 | 266 | 297 | 306 | 314 |
| Sunny days | 3 | 1 | 1 | 0 | 0 | 1 | 0 | 5 | 7 | 6 | 0 | 0 |
| Rainy days | 28 | 27 | 30 | 30 | 31 | 29 | 31 | 26 | 23 | 25 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fos is at