Average annual temperature is 26.0 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 214 days
Number of rainy days: 151 days
Look at detailed online map of Isosa
* Weather data for Isosa 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) | 36.4 | 33.8 | 33.3 | 34.9 | 33.1 | 33.3 | 32.9 | 34.8 | 38.0 | 37.9 | 39.6 | 39.2 |
| Average daytime temperature (°C) | 31.4 | 31.3 | 30.1 | 31.8 | 30.8 | 30.4 | 31.1 | 31.9 | 34.6 | 34.4 | 35.1 | 35.6 |
| Average temperature (°C) | 27.0 | 27.0 | 26.0 | 26.0 | 24.4 | 23.0 | 23.3 | 24.0 | 26.5 | 27.4 | 28.3 | 29.6 |
| Average night temperature (°C) | 23.8 | 23.8 | 22.9 | 21.8 | 19.7 | 17.7 | 17.6 | 18.3 | 20.6 | 21.7 | 22.9 | 24.9 |
| Absolute minimum temperature (°C) | 22.0 | 22.2 | 19.5 | 19.0 | 16.1 | 14.7 | 15.1 | 13.4 | 17.9 | 19.1 | 19.3 | 22.9 |
| 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 | 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) | 9.4 | 10.5 | 8.8 | 10.6 | 10.0 | 9.9 | 10.1 | 10.4 | 11.2 | 11.5 | 12.1 | 11.3 |
| Precipitation (mm) | 443 | 178 | 343 | 36 | 4 | 0 | 0 | 2 | 2 | 6 | 15 | 104 |
| Sunny days | 3 | 2 | 5 | 16 | 21 | 30 | 29 | 30 | 27 | 25 | 17 | 9 |
| Rainy days | 28 | 26 | 26 | 14 | 10 | 0 | 2 | 1 | 3 | 6 | 13 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isosa is at