Average annual temperature is 25.4 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 21.0 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Bian
* Weather data for Bian Cameroon is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.3 | 36.2 | 34.7 | 33.1 | 33.2 | 31.9 | 31.9 | 32.2 | 32.5 | 33.5 | 33.6 | 34.2 |
| Average daytime temperature (°C) | 32.2 | 34.2 | 31.5 | 30.6 | 31.0 | 29.1 | 29.5 | 29.3 | 29.5 | 30.7 | 30.2 | 32.0 |
| Average temperature (°C) | 26.1 | 27.2 | 25.8 | 25.6 | 25.7 | 24.4 | 24.6 | 24.4 | 24.5 | 24.8 | 25.1 | 26.4 |
| Average night temperature (°C) | 22.8 | 23.6 | 22.7 | 22.6 | 23.0 | 22.4 | 22.3 | 22.3 | 22.2 | 22.3 | 22.5 | 23.1 |
| Absolute minimum temperature (°C) | 21.6 | 21.9 | 21.4 | 21.1 | 22.1 | 21.7 | 21.4 | 21.5 | 21.2 | 21.0 | 21.3 | 21.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.9 | 9.4 | 6.7 | 7.2 | 7.8 | 6.4 | 7.4 | 6.3 | 7.0 | 6.8 | 7.3 | 9.4 |
| Precipitation (mm) | 82 | 54 | 212 | 226 | 301 | 280 | 228 | 266 | 331 | 380 | 384 | 69 |
| Sunny days | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Rainy days | 30 | 26 | 29 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bian is at