Average annual temperature is 22.3 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 16 days
Number of rainy days: 349 days
Look at detailed online map of Lumban Sinaga
* Weather data for Lumban Sinaga 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) | 26.7 | 27.7 | 28.2 | 28.4 | 29.5 | 30.1 | 30.1 | 29.5 | 28.3 | 28.5 | 28.2 | 28.9 |
| Average daytime temperature (°C) | 25.3 | 26.0 | 26.1 | 26.6 | 27.4 | 27.7 | 27.5 | 26.7 | 26.8 | 26.6 | 26.3 | 26.4 |
| Average temperature (°C) | 21.4 | 21.8 | 21.9 | 22.4 | 22.9 | 23.1 | 22.6 | 22.3 | 22.4 | 22.3 | 22.3 | 22.3 |
| Average night temperature (°C) | 18.5 | 18.7 | 19.0 | 19.3 | 19.5 | 19.5 | 19.1 | 19.0 | 19.3 | 19.1 | 19.5 | 19.8 |
| Absolute minimum temperature (°C) | 15.8 | 17.4 | 17.1 | 17.5 | 17.3 | 18.0 | 17.8 | 17.9 | 17.7 | 18.1 | 18.3 | 18.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.4 | 9.2 | 8.8 | 8.6 | 8.7 | 9.2 | 8.6 | 8.0 | 7.9 | 8.2 | 7.1 | 8.3 |
| Precipitation (mm) | 295 | 243 | 198 | 297 | 210 | 228 | 188 | 486 | 286 | 282 | 486 | 437 |
| Sunny days | 2 | 0 | 0 | 0 | 3 | 3 | 6 | 0 | 0 | 2 | 0 | 0 |
| Rainy days | 29 | 28 | 31 | 30 | 28 | 27 | 25 | 31 | 30 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lumban Sinaga is at