Average annual temperature is 20.4 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 6 days
Number of rainy days: 359 days
Look at detailed online map of Ba Siok
* Weather data for Ba Siok 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) | 27.0 | 27.3 | 27.4 | 28.6 | 28.2 | 28.4 | 28.8 | 29.1 | 28.9 | 28.9 | 28.2 | 27.8 |
| Average daytime temperature (°C) | 25.1 | 25.4 | 25.9 | 26.4 | 26.6 | 26.3 | 26.3 | 26.6 | 26.3 | 26.8 | 26.8 | 26.6 |
| Average temperature (°C) | 19.8 | 19.9 | 20.0 | 20.6 | 21.0 | 20.6 | 20.5 | 20.7 | 20.4 | 20.4 | 20.5 | 20.9 |
| Average night temperature (°C) | 16.6 | 16.7 | 16.6 | 17.2 | 17.5 | 17.2 | 16.8 | 17.0 | 17.1 | 17.1 | 17.1 | 17.6 |
| Absolute minimum temperature (°C) | 14.8 | 14.3 | 14.7 | 15.1 | 15.5 | 15.0 | 15.3 | 15.1 | 15.5 | 14.8 | 16.0 | 15.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.5 | 7.4 | 8.1 | 8.4 | 8.2 | 8.0 | 8.9 | 8.8 | 7.4 | 8.2 | 8.5 | 8.8 |
| Precipitation (mm) | 240 | 262 | 315 | 143 | 144 | 181 | 166 | 140 | 289 | 253 | 198 | 243 |
| Sunny days | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| Rainy days | 30 | 27 | 30 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ba Siok is at