Average annual temperature is 23.7 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 9.9 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Isono
* Weather data for Isono 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) | 33.2 | 39.0 | 37.0 | 33.0 | 31.6 | 32.3 | 31.7 | 34.5 | 35.7 | 38.7 | 42.2 | 39.7 |
| Average daytime temperature (°C) | 30.4 | 34.0 | 28.8 | 28.9 | 27.2 | 27.1 | 26.1 | 26.9 | 31.9 | 31.2 | 32.0 | 32.3 |
| Average temperature (°C) | 25.9 | 27.5 | 24.5 | 23.7 | 21.5 | 20.8 | 20.0 | 21.1 | 24.1 | 24.1 | 25.1 | 26.4 |
| Average night temperature (°C) | 22.7 | 23.0 | 21.5 | 19.6 | 16.9 | 15.9 | 15.6 | 16.6 | 18.7 | 18.8 | 19.7 | 21.9 |
| Absolute minimum temperature (°C) | 21.3 | 21.0 | 16.1 | 16.1 | 12.4 | 9.9 | 13.3 | 11.7 | 15.6 | 14.8 | 16.1 | 19.1 |
| 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 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| 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 | 10.9 | 8.8 | 10.0 | 9.4 | 9.4 | 9.1 | 9.6 | 10.1 | 9.6 | 11.2 | 11.1 |
| Precipitation (mm) | 116 | 28 | 199 | 34 | 27 | 9 | 13 | 9 | 5 | 28 | 34 | 47 |
| Sunny days | 8 | 11 | 4 | 9 | 17 | 22 | 17 | 18 | 24 | 13 | 17 | 10 |
| Rainy days | 23 | 17 | 27 | 21 | 14 | 8 | 14 | 13 | 6 | 18 | 13 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isono is at