Average annual temperature is 18.9 °C
Absolute maximum temperature: 27.5 °C
Absolute minimum temperature: 12.7 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Lumban Tonga-tonga
* Weather data for Lumban Tonga-tonga 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) | 25.0 | 25.3 | 25.8 | 26.0 | 26.3 | 27.5 | 26.2 | 26.6 | 26.2 | 26.5 | 25.9 | 26.0 |
| Average daytime temperature (°C) | 23.2 | 23.8 | 23.9 | 24.5 | 24.6 | 24.9 | 24.1 | 24.2 | 24.1 | 24.4 | 24.3 | 24.1 |
| Average temperature (°C) | 18.2 | 18.5 | 18.7 | 19.1 | 19.7 | 19.5 | 18.9 | 18.7 | 18.9 | 18.9 | 19.0 | 19.3 |
| Average night temperature (°C) | 14.8 | 14.9 | 15.4 | 15.6 | 16.5 | 15.8 | 15.2 | 14.8 | 15.6 | 15.3 | 16.0 | 16.4 |
| Absolute minimum temperature (°C) | 13.2 | 13.5 | 13.7 | 13.6 | 15.2 | 14.1 | 13.2 | 13.4 | 13.9 | 12.7 | 14.5 | 13.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 | 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 | 12.0 | 11.0 |
| Sunshine mean duration (h) | 8.2 | 8.9 | 8.6 | 8.2 | 8.8 | 8.9 | 8.4 | 7.9 | 7.5 | 7.6 | 6.6 | 7.8 |
| Precipitation (mm) | 208 | 275 | 260 | 291 | 229 | 140 | 142 | 311 | 240 | 238 | 470 | 376 |
| Sunny days | 1 | 1 | 1 | 0 | 2 | 5 | 8 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 30 | 27 | 30 | 30 | 29 | 25 | 23 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lumban Tonga-tonga is at