Average annual temperature is 27.4 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 21.7 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of Sumber
* Weather data for Sumber 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) | 31.6 | 31.3 | 31.6 | 31.5 | 32.3 | 33.2 | 33.6 | 34.8 | 36.3 | 36.3 | 36.4 | 35.6 |
| Average daytime temperature (°C) | 29.5 | 28.7 | 29.5 | 30.3 | 31.0 | 31.7 | 32.5 | 33.4 | 34.3 | 35.1 | 34.2 | 33.7 |
| Average temperature (°C) | 25.8 | 25.4 | 26.0 | 26.6 | 27.4 | 27.6 | 27.5 | 27.5 | 28.2 | 29.3 | 28.8 | 28.3 |
| Average night temperature (°C) | 23.2 | 23.1 | 23.2 | 23.8 | 24.9 | 24.8 | 24.2 | 23.5 | 23.8 | 25.1 | 25.1 | 24.6 |
| Absolute minimum temperature (°C) | 21.9 | 21.9 | 21.8 | 22.9 | 23.8 | 22.9 | 22.6 | 21.7 | 21.7 | 23.1 | 22.9 | 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) | 12.5 | 12.3 | 12.1 | 12.0 | 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) | 8.7 | 5.7 | 9.5 | 10.1 | 10.3 | 10.6 | 10.5 | 11.0 | 11.1 | 11.0 | 10.4 | 10.6 |
| Precipitation (mm) | 308 | 345 | 355 | 306 | 117 | 44 | 23 | 3 | 6 | 35 | 147 | 131 |
| Sunny days | 0 | 2 | 1 | 1 | 8 | 9 | 21 | 24 | 23 | 11 | 1 | 2 |
| Rainy days | 31 | 26 | 30 | 29 | 23 | 21 | 10 | 7 | 7 | 20 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumber is at