Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 3 days
Number of rainy days: 362 days
Look at detailed online map of Mandailing
* Weather data for Mandailing 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) | 30.3 | 30.8 | 32.7 | 33.4 | 33.0 | 33.0 | 33.1 | 32.3 | 32.7 | 32.7 | 31.8 | 30.5 |
| Average daytime temperature (°C) | 29.1 | 29.4 | 30.0 | 31.2 | 31.1 | 31.5 | 31.0 | 30.6 | 30.5 | 29.9 | 29.3 | 29.0 |
| Average temperature (°C) | 24.6 | 25.0 | 25.3 | 26.3 | 26.5 | 26.7 | 26.5 | 26.0 | 26.1 | 25.6 | 25.4 | 25.4 |
| Average night temperature (°C) | 21.7 | 21.8 | 22.1 | 22.9 | 23.4 | 23.5 | 23.4 | 23.2 | 23.3 | 23.0 | 23.0 | 23.0 |
| Absolute minimum temperature (°C) | 18.9 | 20.3 | 20.9 | 21.7 | 22.7 | 22.7 | 22.0 | 22.2 | 22.3 | 22.2 | 22.2 | 22.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 | 12.3 | 12.3 | 12.1 | 12.0 | 11.9 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.3 | 8.9 | 9.0 | 8.8 | 8.7 | 9.6 | 9.2 | 7.9 | 7.7 | 7.0 | 6.5 | 7.2 |
| Precipitation (mm) | 382 | 279 | 215 | 255 | 359 | 284 | 237 | 446 | 343 | 484 | 547 | 498 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mandailing is at