Average annual temperature is 25.4 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Séya
* Weather data for Séya 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) | 34.5 | 36.4 | 38.1 | 35.5 | 35.3 | 32.1 | 31.5 | 32.0 | 32.6 | 33.1 | 33.2 | 32.9 |
| Average daytime temperature (°C) | 32.5 | 34.7 | 34.4 | 33.5 | 32.5 | 29.7 | 29.1 | 28.8 | 29.8 | 30.2 | 31.8 | 31.5 |
| Average temperature (°C) | 24.5 | 27.4 | 27.2 | 27.0 | 26.8 | 24.8 | 24.4 | 24.2 | 24.4 | 25.0 | 25.5 | 23.9 |
| Average night temperature (°C) | 17.7 | 20.9 | 22.1 | 22.6 | 22.8 | 21.4 | 21.3 | 21.1 | 21.0 | 21.2 | 20.7 | 17.0 |
| Absolute minimum temperature (°C) | 15.0 | 16.6 | 19.8 | 21.3 | 22.0 | 20.3 | 20.6 | 19.8 | 20.1 | 20.5 | 18.1 | 14.1 |
| 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) | 10.7 | 10.2 | 9.3 | 9.8 | 8.8 | 8.9 | 8.5 | 8.2 | 8.9 | 9.4 | 10.0 | 10.7 |
| Precipitation (mm) | 0 | 0 | 85 | 62 | 113 | 182 | 153 | 276 | 221 | 72 | 58 | 0 |
| Sunny days | 30 | 26 | 12 | 12 | 5 | 1 | 1 | 0 | 0 | 6 | 13 | 30 |
| Rainy days | 1 | 2 | 19 | 18 | 26 | 29 | 30 | 31 | 30 | 25 | 17 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Séya is at