Average annual temperature is 25.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Siounga
* Weather data for Siounga Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.7 | 36.0 | 37.6 | 35.1 | 34.3 | 32.1 | 31.8 | 31.6 | 31.4 | 31.8 | 32.7 | 35.0 |
| Average daytime temperature (°C) | 33.7 | 34.4 | 33.4 | 32.9 | 31.4 | 29.3 | 29.3 | 28.7 | 29.3 | 29.7 | 30.2 | 32.3 |
| Average temperature (°C) | 25.4 | 27.5 | 26.9 | 27.0 | 26.2 | 24.8 | 24.6 | 24.4 | 24.6 | 24.9 | 25.2 | 24.8 |
| Average night temperature (°C) | 18.4 | 21.7 | 22.2 | 23.3 | 23.0 | 22.4 | 22.0 | 22.1 | 22.1 | 22.1 | 21.8 | 18.7 |
| Absolute minimum temperature (°C) | 15.3 | 19.3 | 19.6 | 21.5 | 21.7 | 21.7 | 20.3 | 21.0 | 21.3 | 21.5 | 19.9 | 15.6 |
| 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 | 11.9 | 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) | 10.0 | 9.8 | 8.7 | 8.9 | 7.8 | 6.8 | 7.4 | 6.3 | 7.9 | 8.5 | 8.8 | 10.4 |
| Precipitation (mm) | 58 | 2 | 82 | 166 | 248 | 308 | 359 | 449 | 305 | 318 | 111 | 2 |
| Sunny days | 26 | 24 | 17 | 6 | 0 | 0 | 0 | 1 | 0 | 1 | 5 | 28 |
| Rainy days | 5 | 4 | 14 | 24 | 31 | 30 | 31 | 30 | 30 | 30 | 25 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siounga is at