Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 16 days
Number of rainy days: 349 days
Look at detailed online map of Kabupaten Asahan
* Weather data for Kabupaten Asahan 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) | 29.9 | 30.4 | 32.2 | 32.2 | 33.1 | 33.6 | 32.9 | 32.7 | 33.1 | 32.7 | 31.1 | 31.3 |
| Average daytime temperature (°C) | 28.5 | 29.0 | 29.7 | 30.8 | 31.3 | 31.1 | 30.6 | 30.3 | 30.6 | 29.7 | 29.5 | 28.9 |
| Average temperature (°C) | 24.8 | 24.9 | 25.3 | 26.3 | 26.6 | 26.6 | 26.4 | 25.8 | 26.3 | 25.6 | 25.5 | 25.4 |
| Average night temperature (°C) | 22.2 | 22.1 | 22.3 | 23.1 | 23.5 | 23.5 | 23.3 | 23.0 | 23.4 | 22.9 | 23.0 | 23.0 |
| Absolute minimum temperature (°C) | 21.2 | 20.7 | 20.8 | 21.3 | 22.6 | 22.6 | 22.5 | 21.9 | 22.2 | 22.1 | 22.3 | 22.3 |
| 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 | 12.0 | 11.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.1 | 8.9 | 8.5 | 8.4 | 8.9 | 8.8 | 9.0 | 7.8 | 7.9 | 6.8 | 6.9 | 7.2 |
| Precipitation (mm) | 320 | 272 | 258 | 188 | 377 | 321 | 240 | 422 | 360 | 471 | 487 | 428 |
| Sunny days | 0 | 0 | 2 | 1 | 1 | 4 | 3 | 0 | 5 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 29 | 29 | 30 | 26 | 28 | 31 | 25 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kabupaten Asahan is at