Average annual temperature is 23.4 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Bison
* Weather data for Bison 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 | 32.9 | 32.4 | 31.5 | 31.4 | 31.3 | 30.4 | 31.2 | 31.0 | 31.3 | 31.3 | 32.3 |
| Average daytime temperature (°C) | 29.4 | 30.9 | 29.2 | 29.6 | 29.2 | 28.7 | 29.0 | 29.2 | 29.0 | 28.8 | 28.4 | 29.9 |
| Average temperature (°C) | 23.3 | 24.3 | 23.3 | 23.4 | 23.7 | 23.2 | 23.2 | 23.4 | 23.1 | 23.0 | 22.8 | 24.1 |
| Average night temperature (°C) | 19.8 | 20.2 | 20.2 | 20.0 | 20.7 | 20.5 | 20.3 | 20.3 | 20.4 | 20.4 | 20.1 | 20.7 |
| Absolute minimum temperature (°C) | 18.1 | 18.1 | 18.8 | 18.6 | 19.3 | 19.3 | 19.4 | 19.3 | 19.5 | 19.3 | 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 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.3 | 8.9 | 7.5 | 8.2 | 7.6 | 8.1 | 8.1 | 7.7 | 7.7 | 7.5 | 6.1 | 8.2 |
| Precipitation (mm) | 93 | 65 | 236 | 340 | 178 | 206 | 174 | 147 | 269 | 405 | 407 | 154 |
| Sunny days | 1 | 3 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 5 |
| Rainy days | 30 | 25 | 31 | 29 | 31 | 28 | 31 | 31 | 29 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bison is at