Average annual temperature is 27.9 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 115 days
Number of rainy days: 250 days
Look at detailed online map of Arahan
* Weather data for Arahan 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) | 31.2 | 31.1 | 31.8 | 32.6 | 33.8 | 34.8 | 36.0 | 35.8 | 37.9 | 38.0 | 37.2 | 35.0 |
| Average daytime temperature (°C) | 29.5 | 28.7 | 29.7 | 31.0 | 32.1 | 32.6 | 33.9 | 34.4 | 35.6 | 36.2 | 34.5 | 32.7 |
| Average temperature (°C) | 26.3 | 25.9 | 26.4 | 27.2 | 28.1 | 28.1 | 28.1 | 28.3 | 29.2 | 30.2 | 28.9 | 27.9 |
| Average night temperature (°C) | 23.8 | 23.8 | 23.7 | 24.2 | 24.8 | 24.4 | 23.6 | 23.0 | 24.0 | 25.5 | 24.9 | 24.4 |
| Absolute minimum temperature (°C) | 22.8 | 22.7 | 22.6 | 22.9 | 23.6 | 22.7 | 22.0 | 20.3 | 22.1 | 23.9 | 23.7 | 23.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.1 | 6.3 | 10.1 | 10.6 | 10.4 | 10.6 | 10.5 | 11.0 | 11.1 | 11.0 | 9.8 | 10.3 |
| Precipitation (mm) | 168 | 240 | 209 | 184 | 90 | 68 | 38 | 1 | 0 | 14 | 155 | 150 |
| Sunny days | 0 | 0 | 0 | 0 | 12 | 9 | 17 | 27 | 29 | 20 | 0 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 19 | 21 | 14 | 4 | 1 | 11 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arahan is at