Average annual temperature is 23.7 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 9.7 °C
Number of sunny days: 194 days
Number of rainy days: 171 days
Look at detailed online map of Sianameloky Ouest
* Weather data for Sianameloky Ouest Madagascar is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.8 | 37.4 | 35.1 | 33.5 | 31.5 | 31.5 | 31.5 | 35.2 | 37.8 | 40.2 | 41.9 | 41.2 |
| Average daytime temperature (°C) | 31.6 | 33.5 | 29.2 | 30.1 | 27.8 | 27.4 | 26.6 | 28.3 | 33.9 | 33.3 | 34.3 | 35.0 |
| Average temperature (°C) | 25.6 | 27.0 | 24.0 | 23.5 | 21.2 | 20.3 | 19.5 | 20.9 | 25.0 | 24.6 | 26.0 | 26.8 |
| Average night temperature (°C) | 21.5 | 22.1 | 20.2 | 18.7 | 16.0 | 14.9 | 14.1 | 15.2 | 18.2 | 17.9 | 19.3 | 20.9 |
| Absolute minimum temperature (°C) | 19.4 | 19.5 | 15.3 | 15.1 | 12.3 | 9.7 | 11.6 | 11.0 | 15.4 | 14.2 | 14.2 | 17.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 11.9 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.3 | 10.6 | 8.7 | 9.8 | 9.5 | 9.5 | 9.4 | 9.6 | 10.6 | 10.1 | 11.2 | 11.2 |
| Precipitation (mm) | 156 | 70 | 200 | 24 | 16 | 4 | 9 | 5 | 2 | 16 | 38 | 72 |
| Sunny days | 4 | 10 | 6 | 14 | 21 | 25 | 20 | 24 | 25 | 16 | 17 | 12 |
| Rainy days | 27 | 18 | 25 | 16 | 10 | 5 | 11 | 7 | 5 | 15 | 13 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sianameloky Ouest is at