Average annual temperature is 27.7 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 23.7 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Boom
* Weather data for Boom 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) | 30.1 | 29.5 | 29.9 | 30.0 | 29.8 | 30.2 | 30.7 | 29.6 | 30.7 | 32.4 | 32.8 | 32.6 |
| Average daytime temperature (°C) | 28.8 | 28.7 | 28.7 | 28.9 | 29.0 | 28.9 | 29.2 | 28.9 | 29.4 | 30.8 | 31.8 | 31.2 |
| Average temperature (°C) | 26.8 | 26.6 | 27.1 | 27.5 | 28.2 | 28.0 | 27.5 | 27.1 | 27.4 | 28.6 | 29.2 | 28.3 |
| Average night temperature (°C) | 25.3 | 25.2 | 25.4 | 26.0 | 27.3 | 26.9 | 25.6 | 25.6 | 25.7 | 26.7 | 26.8 | 25.8 |
| Absolute minimum temperature (°C) | 24.6 | 24.5 | 23.7 | 24.8 | 25.5 | 25.3 | 24.2 | 24.6 | 24.7 | 26.0 | 24.7 | 24.7 |
| 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 | 11.8 | 11.9 | 12.1 | 12.3 | 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) | 9.5 | 8.1 | 10.1 | 9.8 | 10.4 | 10.9 | 10.6 | 11.0 | 11.2 | 11.6 | 11.2 | 10.9 |
| Precipitation (mm) | 209 | 300 | 231 | 255 | 56 | 5 | 34 | 5 | 2 | 2 | 110 | 210 |
| Sunny days | 0 | 0 | 1 | 0 | 18 | 23 | 17 | 19 | 27 | 25 | 5 | 2 |
| Rainy days | 31 | 28 | 30 | 30 | 13 | 7 | 14 | 12 | 3 | 6 | 25 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boom is at