Average annual temperature is 28.8 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 207 days
Number of rainy days: 158 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) | 39.9 | 40.7 | 41.4 | 40.8 | 39.5 | 37.0 | 35.8 | 37.1 | 37.4 | 38.3 | 36.3 | 39.2 |
| Average daytime temperature (°C) | 36.9 | 38.1 | 37.3 | 37.7 | 36.6 | 33.0 | 31.8 | 33.3 | 33.7 | 35.0 | 33.5 | 36.7 |
| Average temperature (°C) | 29.8 | 31.0 | 31.0 | 31.2 | 30.1 | 27.0 | 26.6 | 27.5 | 27.5 | 28.3 | 27.3 | 29.2 |
| Average night temperature (°C) | 23.2 | 24.0 | 25.3 | 25.6 | 24.8 | 23.0 | 22.5 | 22.7 | 22.8 | 23.3 | 22.9 | 22.5 |
| Absolute minimum temperature (°C) | 21.5 | 21.8 | 22.4 | 22.2 | 22.3 | 21.4 | 21.2 | 21.0 | 21.8 | 21.4 | 21.4 | 18.8 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 10.2 | 10.6 | 9.0 | 9.8 | 10.0 | 9.1 | 9.7 | 10.5 | 9.8 | 9.5 | 9.3 | 10.3 |
| Precipitation (mm) | 0 | 0 | 12 | 42 | 9 | 103 | 98 | 45 | 70 | 92 | 57 | 0 |
| Sunny days | 31 | 28 | 26 | 22 | 18 | 5 | 10 | 10 | 6 | 12 | 10 | 29 |
| Rainy days | 0 | 0 | 5 | 8 | 13 | 25 | 21 | 21 | 24 | 19 | 20 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aiyen is at