Average annual temperature is 25.4 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 159 days
Number of rainy days: 206 days
Look at detailed online map of Sy
* Weather data for Sy 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) | 35.7 | 36.1 | 37.5 | 36.8 | 35.8 | 32.4 | 31.8 | 33.1 | 32.9 | 33.3 | 34.0 | 33.4 |
| Average daytime temperature (°C) | 31.7 | 33.5 | 34.7 | 34.5 | 33.1 | 29.2 | 29.8 | 29.6 | 30.2 | 31.9 | 31.9 | 31.1 |
| Average temperature (°C) | 24.9 | 26.5 | 27.8 | 27.4 | 26.4 | 23.9 | 24.2 | 23.9 | 24.1 | 25.5 | 26.0 | 24.8 |
| Average night temperature (°C) | 19.5 | 21.1 | 22.3 | 22.8 | 22.4 | 21.0 | 20.7 | 20.9 | 20.5 | 21.0 | 21.1 | 20.2 |
| Absolute minimum temperature (°C) | 17.2 | 17.1 | 19.8 | 21.0 | 20.7 | 19.6 | 19.6 | 20.1 | 18.9 | 18.9 | 18.4 | 17.5 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 10.6 | 10.9 | 9.1 | 9.4 | 9.1 | 8.0 | 9.4 | 7.8 | 9.0 | 10.1 | 9.6 | 10.5 |
| Precipitation (mm) | 0 | 0 | 32 | 62 | 134 | 342 | 237 | 301 | 187 | 73 | 38 | 0 |
| Sunny days | 31 | 28 | 22 | 17 | 3 | 0 | 2 | 0 | 1 | 7 | 17 | 31 |
| Rainy days | 0 | 0 | 9 | 13 | 28 | 30 | 29 | 31 | 29 | 24 | 13 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sy is at