Average annual temperature is 17.3 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 6.6 °C
Number of sunny days: 78 days
Number of rainy days: 287 days
Look at detailed online map of Ilanosy
* Weather data for Ilanosy 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) | 27.0 | 26.2 | 26.5 | 25.5 | 23.6 | 23.0 | 22.4 | 23.8 | 25.3 | 30.3 | 31.4 | 29.2 |
| Average daytime temperature (°C) | 22.9 | 23.7 | 23.1 | 22.7 | 20.7 | 20.0 | 18.3 | 18.5 | 22.3 | 25.6 | 24.0 | 25.5 |
| Average temperature (°C) | 19.0 | 19.0 | 18.7 | 18.0 | 16.2 | 14.5 | 13.5 | 14.3 | 16.1 | 19.1 | 18.7 | 20.1 |
| Average night temperature (°C) | 16.6 | 15.4 | 16.1 | 14.7 | 12.7 | 10.4 | 9.9 | 11.2 | 10.7 | 14.1 | 14.7 | 16.0 |
| Absolute minimum temperature (°C) | 14.8 | 13.3 | 14.3 | 12.1 | 9.9 | 6.6 | 7.0 | 8.7 | 8.6 | 8.4 | 12.1 | 12.0 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 6.8 | 8.8 | 7.0 | 8.7 | 8.4 | 9.5 | 8.4 | 7.4 | 10.9 | 10.4 | 9.3 | 10.0 |
| Precipitation (mm) | 584 | 279 | 347 | 101 | 61 | 11 | 62 | 165 | 6 | 103 | 98 | 202 |
| Sunny days | 1 | 2 | 0 | 1 | 9 | 15 | 13 | 2 | 18 | 12 | 2 | 3 |
| Rainy days | 30 | 26 | 31 | 29 | 22 | 15 | 18 | 29 | 12 | 19 | 28 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilanosy is at