Average annual temperature is 25.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of Bonko
* Weather data for Bonko 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) | 34.6 | 36.4 | 37.3 | 37.1 | 35.2 | 32.3 | 31.6 | 32.4 | 31.5 | 32.4 | 33.8 | 35.2 |
| Average daytime temperature (°C) | 32.3 | 35.0 | 35.5 | 34.7 | 31.9 | 29.5 | 29.2 | 28.8 | 29.4 | 30.1 | 32.2 | 32.9 |
| Average temperature (°C) | 24.3 | 27.3 | 28.2 | 28.1 | 26.3 | 25.0 | 24.4 | 24.2 | 24.4 | 25.0 | 25.9 | 24.9 |
| Average night temperature (°C) | 17.4 | 20.3 | 21.9 | 22.9 | 22.7 | 22.0 | 21.4 | 21.4 | 21.3 | 21.5 | 20.7 | 17.5 |
| Absolute minimum temperature (°C) | 15.1 | 17.6 | 19.1 | 21.8 | 21.5 | 21.1 | 20.3 | 20.5 | 20.1 | 20.4 | 16.5 | 14.9 |
| 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) | 10.0 | 10.0 | 10.1 | 9.8 | 8.3 | 7.5 | 8.3 | 7.4 | 8.6 | 9.2 | 10.2 | 10.3 |
| Precipitation (mm) | 2 | 0 | 15 | 53 | 195 | 170 | 344 | 363 | 375 | 266 | 46 | 0 |
| Sunny days | 29 | 24 | 26 | 23 | 3 | 0 | 0 | 0 | 0 | 4 | 15 | 30 |
| Rainy days | 2 | 4 | 5 | 7 | 28 | 30 | 31 | 31 | 30 | 27 | 15 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bonko is at