Average annual temperature is 16.6 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Ianatsonga
* Weather data for Ianatsonga 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) | 25.1 | 25.2 | 24.7 | 23.5 | 23.1 | 22.1 | 21.5 | 22.7 | 26.5 | 30.7 | 30.0 | 29.0 |
| Average daytime temperature (°C) | 22.5 | 23.2 | 23.0 | 22.3 | 20.9 | 19.4 | 18.2 | 19.0 | 22.2 | 26.5 | 24.5 | 25.7 |
| Average temperature (°C) | 18.4 | 18.2 | 18.1 | 17.1 | 15.3 | 13.2 | 12.7 | 13.9 | 15.3 | 18.9 | 18.4 | 19.6 |
| Average night temperature (°C) | 15.4 | 14.0 | 14.6 | 12.9 | 10.6 | 7.8 | 8.1 | 9.8 | 8.9 | 12.5 | 13.4 | 14.9 |
| Absolute minimum temperature (°C) | 13.6 | 11.3 | 12.3 | 9.7 | 7.9 | 2.2 | 5.7 | 6.6 | 6.9 | 8.1 | 10.0 | 12.2 |
| 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) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 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) | 7.7 | 9.2 | 8.9 | 9.7 | 9.5 | 9.8 | 9.3 | 8.8 | 11.1 | 11.3 | 10.9 | 10.5 |
| Precipitation (mm) | 379 | 224 | 257 | 63 | 28 | 1 | 13 | 51 | 0 | 37 | 55 | 149 |
| Sunny days | 1 | 7 | 1 | 5 | 16 | 26 | 15 | 10 | 27 | 14 | 10 | 5 |
| Rainy days | 30 | 21 | 30 | 25 | 15 | 4 | 16 | 21 | 3 | 17 | 20 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ianatsonga is at