Average annual temperature is 18.0 °C
Absolute maximum temperature: 24.6 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Simantung
* Weather data for Simantung 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) | 22.9 | 23.5 | 23.8 | 23.5 | 24.5 | 23.4 | 22.8 | 22.9 | 24.6 | 23.0 | 22.3 | 22.6 |
| Average daytime temperature (°C) | 20.6 | 21.0 | 21.5 | 21.5 | 21.9 | 21.7 | 20.8 | 21.1 | 21.6 | 21.4 | 21.1 | 21.3 |
| Average temperature (°C) | 17.3 | 17.8 | 18.1 | 18.1 | 18.6 | 18.4 | 17.9 | 17.9 | 18.0 | 18.0 | 18.0 | 18.3 |
| Average night temperature (°C) | 14.9 | 15.3 | 15.5 | 15.4 | 16.0 | 15.7 | 15.6 | 15.2 | 15.3 | 15.3 | 15.6 | 16.2 |
| Absolute minimum temperature (°C) | 13.5 | 14.2 | 14.3 | 14.4 | 14.6 | 15.0 | 14.2 | 13.4 | 13.0 | 13.7 | 14.7 | 14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 7.0 | 8.8 | 7.7 | 8.2 | 7.7 | 8.9 | 7.8 | 8.5 | 9.5 | 8.9 | 7.6 | 7.0 |
| Precipitation (mm) | 229 | 129 | 316 | 210 | 231 | 259 | 232 | 467 | 165 | 305 | 453 | 505 |
| Sunny days | 1 | 2 | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 2 | 1 | 0 |
| Rainy days | 30 | 26 | 30 | 30 | 30 | 28 | 30 | 31 | 29 | 29 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Simantung is at