Average annual temperature is 23.7 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Grombongan
* Weather data for Grombongan 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) | 28.3 | 28.5 | 28.7 | 28.6 | 28.6 | 28.8 | 27.0 | 27.7 | 29.0 | 30.0 | 30.3 | 30.7 |
| Average daytime temperature (°C) | 26.8 | 27.1 | 27.5 | 27.3 | 27.3 | 26.6 | 25.3 | 26.3 | 27.1 | 28.7 | 28.5 | 28.3 |
| Average temperature (°C) | 23.8 | 23.9 | 24.2 | 24.3 | 24.0 | 23.6 | 22.3 | 22.1 | 22.7 | 24.5 | 24.9 | 24.8 |
| Average night temperature (°C) | 21.6 | 21.8 | 21.5 | 21.9 | 21.2 | 21.2 | 19.9 | 18.8 | 19.4 | 21.1 | 22.2 | 21.9 |
| Absolute minimum temperature (°C) | 20.6 | 20.8 | 20.7 | 21.0 | 19.3 | 19.9 | 17.4 | 17.0 | 16.5 | 19.8 | 21.0 | 19.9 |
| 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 | 12.4 | 12.1 | 11.9 | 11.7 | 11.7 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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 | 6.5 | 8.9 | 9.1 | 10.2 | 10.5 | 9.8 | 10.7 | 10.9 | 11.1 | 10.4 | 10.0 |
| Precipitation (mm) | 176 | 400 | 292 | 159 | 146 | 44 | 78 | 6 | 4 | 21 | 96 | 87 |
| Sunny days | 0 | 0 | 0 | 0 | 9 | 6 | 12 | 21 | 20 | 11 | 3 | 6 |
| Rainy days | 31 | 28 | 31 | 30 | 22 | 24 | 19 | 10 | 10 | 20 | 27 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grombongan is at