Average annual temperature is 26.8 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of Siliya
* Weather data for Siliya 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) | 37.8 | 37.1 | 38.5 | 39.3 | 38.4 | 37.2 | 33.3 | 33.3 | 33.1 | 33.2 | 36.3 | 35.8 |
| Average daytime temperature (°C) | 34.5 | 35.9 | 35.5 | 36.5 | 34.9 | 32.3 | 30.0 | 29.9 | 30.9 | 31.9 | 33.5 | 33.9 |
| Average temperature (°C) | 25.8 | 26.9 | 27.1 | 28.6 | 28.8 | 27.6 | 25.8 | 25.7 | 26.1 | 26.6 | 27.2 | 25.8 |
| Average night temperature (°C) | 19.6 | 20.5 | 21.8 | 23.5 | 25.0 | 24.7 | 23.3 | 23.3 | 23.5 | 23.7 | 22.5 | 20.0 |
| Absolute minimum temperature (°C) | 17.6 | 18.6 | 19.4 | 21.9 | 22.7 | 23.4 | 21.7 | 22.4 | 22.8 | 22.8 | 19.7 | 17.0 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.5 | 10.5 | 10.9 | 9.1 | 8.3 | 7.6 | 7.1 | 7.6 | 8.5 | 9.9 | 9.5 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 43 | 147 | 343 | 529 | 347 | 248 | 30 | 0 |
| Sunny days | 31 | 28 | 29 | 29 | 14 | 6 | 0 | 0 | 1 | 2 | 21 | 30 |
| Rainy days | 0 | 0 | 2 | 1 | 17 | 24 | 31 | 31 | 29 | 29 | 9 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siliya is at