Average annual temperature is 25.4 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Sireya
* Weather data for Sireya 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) | 37.4 | 37.8 | 39.3 | 37.7 | 34.0 | 32.5 | 32.0 | 32.1 | 32.2 | 32.6 | 34.7 | 35.7 |
| Average daytime temperature (°C) | 34.9 | 36.0 | 35.8 | 35.0 | 31.8 | 29.5 | 28.9 | 28.5 | 29.4 | 30.1 | 32.1 | 34.3 |
| Average temperature (°C) | 26.0 | 27.3 | 27.4 | 27.5 | 26.1 | 24.4 | 23.9 | 23.6 | 24.0 | 24.5 | 25.4 | 25.2 |
| Average night temperature (°C) | 18.4 | 20.1 | 20.6 | 21.7 | 22.6 | 21.9 | 21.4 | 21.3 | 21.3 | 21.4 | 20.6 | 18.4 |
| Absolute minimum temperature (°C) | 16.4 | 17.9 | 17.2 | 19.1 | 21.4 | 20.9 | 20.1 | 20.1 | 20.4 | 20.3 | 16.3 | 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 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) | 10.1 | 10.1 | 10.1 | 9.8 | 7.6 | 6.9 | 7.4 | 6.4 | 7.4 | 8.1 | 9.8 | 10.1 |
| Precipitation (mm) | 0 | 0 | 11 | 45 | 206 | 236 | 440 | 502 | 450 | 329 | 54 | 1 |
| Sunny days | 31 | 27 | 25 | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 29 |
| Rainy days | 0 | 1 | 6 | 8 | 29 | 30 | 31 | 31 | 30 | 31 | 19 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sireya is at