Average annual temperature is 27.2 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Bayan Bayan
* Weather data for Bayan Bayan 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) | 39.0 | 39.2 | 40.0 | 39.1 | 36.3 | 34.3 | 32.9 | 33.1 | 32.9 | 32.6 | 34.3 | 36.6 |
| Average daytime temperature (°C) | 36.7 | 37.6 | 37.5 | 36.7 | 33.4 | 30.8 | 30.2 | 29.7 | 30.4 | 31.0 | 32.7 | 34.8 |
| Average temperature (°C) | 27.7 | 29.2 | 29.4 | 29.4 | 28.1 | 26.1 | 25.7 | 25.4 | 25.6 | 26.2 | 27.1 | 26.7 |
| Average night temperature (°C) | 20.1 | 22.6 | 23.5 | 24.4 | 24.8 | 23.8 | 23.1 | 23.1 | 23.2 | 23.5 | 23.0 | 19.7 |
| Absolute minimum temperature (°C) | 17.3 | 21.0 | 21.4 | 22.5 | 23.7 | 23.0 | 21.6 | 22.3 | 22.4 | 22.9 | 21.0 | 16.3 |
| 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 | 12.3 | 12.6 | 12.7 | 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 | 10.0 | 10.0 | 9.6 | 7.9 | 7.6 | 8.1 | 6.6 | 6.9 | 7.5 | 9.7 | 10.1 |
| Precipitation (mm) | 0 | 0 | 9 | 45 | 196 | 310 | 422 | 465 | 449 | 382 | 84 | 2 |
| Sunny days | 29 | 28 | 24 | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 30 |
| Rainy days | 2 | 0 | 7 | 8 | 29 | 30 | 31 | 31 | 30 | 31 | 19 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bayan Bayan is at