Average annual temperature is 28.4 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 222 days
Number of rainy days: 143 days
Look at detailed online map of Boulou
* Weather data for Boulou 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) | 38.6 | 39.3 | 41.1 | 43.5 | 42.1 | 36.6 | 34.5 | 32.8 | 33.8 | 36.2 | 36.9 | 36.5 |
| Average daytime temperature (°C) | 34.2 | 35.9 | 38.4 | 40.2 | 37.9 | 32.6 | 31.6 | 30.2 | 30.9 | 33.9 | 35.1 | 34.1 |
| Average temperature (°C) | 26.7 | 28.5 | 31.4 | 33.2 | 31.7 | 27.3 | 27.0 | 25.8 | 26.0 | 27.6 | 28.5 | 26.9 |
| Average night temperature (°C) | 20.1 | 22.2 | 25.0 | 26.8 | 26.4 | 23.7 | 23.3 | 22.5 | 22.2 | 22.1 | 22.7 | 20.7 |
| Absolute minimum temperature (°C) | 17.7 | 18.3 | 22.4 | 22.4 | 24.0 | 21.8 | 21.5 | 20.2 | 20.2 | 18.2 | 19.4 | 18.4 |
| 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) | 10.5 | 10.8 | 9.9 | 9.7 | 10.3 | 8.7 | 9.6 | 8.3 | 9.1 | 10.3 | 9.8 | 10.2 |
| Precipitation (mm) | 0 | 0 | 3 | 19 | 33 | 148 | 88 | 207 | 109 | 43 | 3 | 0 |
| Sunny days | 31 | 28 | 28 | 23 | 16 | 5 | 3 | 4 | 4 | 21 | 28 | 31 |
| Rainy days | 0 | 0 | 3 | 7 | 15 | 25 | 28 | 27 | 26 | 10 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boulou is at