Average annual temperature is 24.7 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Simpang Alas
* Weather data for Simpang Alas 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) | 32.4 | 31.8 | 33.0 | 33.1 | 33.3 | 32.8 | 30.5 | 31.1 | 31.5 | 30.9 | 29.8 | 31.3 |
| Average daytime temperature (°C) | 28.9 | 29.6 | 30.0 | 29.0 | 29.7 | 29.8 | 28.5 | 28.7 | 28.3 | 28.5 | 28.5 | 28.8 |
| Average temperature (°C) | 24.4 | 24.8 | 24.7 | 24.8 | 25.5 | 25.6 | 24.7 | 24.5 | 24.4 | 24.4 | 24.5 | 24.6 |
| Average night temperature (°C) | 21.5 | 21.6 | 21.6 | 22.2 | 22.8 | 22.6 | 22.0 | 21.9 | 22.0 | 22.1 | 22.3 | 22.3 |
| Absolute minimum temperature (°C) | 20.1 | 20.5 | 20.4 | 21.3 | 22.0 | 21.5 | 21.0 | 21.3 | 21.1 | 20.9 | 21.5 | 21.7 |
| 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 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 |
| 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) | 8.1 | 9.4 | 8.2 | 7.5 | 8.6 | 9.0 | 8.3 | 7.7 | 7.4 | 7.4 | 7.1 | 6.6 |
| Precipitation (mm) | 332 | 246 | 450 | 456 | 326 | 178 | 166 | 346 | 247 | 413 | 341 | 781 |
| Sunny days | 1 | 3 | 0 | 0 | 1 | 4 | 4 | 1 | 0 | 1 | 0 | 0 |
| Rainy days | 30 | 25 | 31 | 30 | 30 | 26 | 27 | 30 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Simpang Alas is at