Average annual temperature is 30.4 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 244 days
Number of rainy days: 121 days
Look at detailed online map of Aiyen
* Weather data for Aiyen South Sudan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 40.3 | 41.8 | 42.3 | 41.9 | 42.5 | 38.7 | 38.6 | 37.8 | 38.3 | 41.1 | 39.4 | 40.0 |
| Average daytime temperature (°C) | 36.7 | 37.9 | 39.5 | 39.6 | 39.6 | 34.7 | 34.2 | 33.3 | 35.6 | 38.1 | 37.1 | 37.5 |
| Average temperature (°C) | 29.5 | 30.5 | 32.8 | 33.2 | 33.5 | 28.9 | 28.6 | 27.9 | 29.1 | 30.9 | 30.6 | 30.0 |
| Average night temperature (°C) | 22.7 | 23.4 | 26.2 | 27.0 | 27.6 | 24.4 | 24.1 | 23.4 | 24.1 | 25.1 | 24.8 | 23.2 |
| Absolute minimum temperature (°C) | 20.0 | 20.3 | 23.8 | 23.7 | 24.1 | 22.1 | 22.4 | 21.7 | 22.2 | 22.9 | 22.7 | 18.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.7 | 10.8 | 10.6 | 10.1 | 10.5 | 9.2 | 9.2 | 10.0 | 9.7 | 10.0 | 10.2 | 10.5 |
| Precipitation (mm) | 0 | 0 | 0 | 9 | 5 | 73 | 101 | 160 | 32 | 17 | 9 | 0 |
| Sunny days | 31 | 28 | 31 | 25 | 24 | 8 | 12 | 8 | 8 | 19 | 20 | 30 |
| Rainy days | 0 | 0 | 0 | 5 | 7 | 22 | 19 | 23 | 22 | 12 | 10 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aiyen is at