Average annual temperature is 23.5 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Biyabiyan
* Weather data for Biyabiyan Equatorial 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) | 31.2 | 32.8 | 32.6 | 31.5 | 31.3 | 31.2 | 30.6 | 31.9 | 30.9 | 31.3 | 31.6 | 32.3 |
| Average daytime temperature (°C) | 29.5 | 31.1 | 29.3 | 29.5 | 29.3 | 28.7 | 29.0 | 29.3 | 29.1 | 28.8 | 28.4 | 30.1 |
| Average temperature (°C) | 23.4 | 24.3 | 23.4 | 23.4 | 23.8 | 23.2 | 23.4 | 23.4 | 23.1 | 23.1 | 22.9 | 24.3 |
| Average night temperature (°C) | 20.0 | 20.5 | 20.3 | 20.2 | 20.9 | 20.6 | 20.5 | 20.4 | 20.5 | 20.5 | 20.2 | 21.0 |
| Absolute minimum temperature (°C) | 18.3 | 18.0 | 18.9 | 18.5 | 19.7 | 19.8 | 19.4 | 19.2 | 19.7 | 19.4 | 19.0 | 19.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 |
| Sunshine mean duration (h) | 8.0 | 8.7 | 6.8 | 7.6 | 7.5 | 7.5 | 7.8 | 7.5 | 7.2 | 7.1 | 6.2 | 8.1 |
| Precipitation (mm) | 105 | 96 | 248 | 315 | 190 | 193 | 129 | 150 | 226 | 420 | 474 | 144 |
| Sunny days | 1 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7 |
| Rainy days | 30 | 25 | 29 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biyabiyan is at