Average annual temperature is 18.1 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: 7.0 °C
Number of sunny days: 71 days
Number of rainy days: 294 days
Look at detailed online map of Isaha
* Weather data for Isaha 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) | 28.1 | 27.0 | 26.9 | 26.2 | 24.6 | 23.3 | 23.1 | 25.8 | 27.9 | 32.7 | 32.3 | 29.8 |
| Average daytime temperature (°C) | 24.0 | 24.5 | 24.0 | 23.8 | 21.8 | 20.7 | 19.6 | 20.4 | 23.5 | 27.8 | 25.7 | 27.3 |
| Average temperature (°C) | 19.8 | 19.6 | 19.4 | 18.7 | 16.7 | 15.0 | 14.5 | 15.4 | 17.0 | 20.5 | 19.8 | 21.2 |
| Average night temperature (°C) | 17.1 | 16.1 | 16.6 | 15.2 | 13.1 | 10.7 | 10.7 | 12.1 | 11.5 | 15.1 | 15.7 | 17.0 |
| Absolute minimum temperature (°C) | 15.5 | 12.9 | 14.5 | 10.8 | 9.3 | 7.0 | 8.1 | 9.4 | 8.1 | 10.7 | 12.8 | 13.4 |
| 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) | 8.1 | 9.3 | 8.6 | 9.4 | 9.1 | 9.4 | 8.7 | 8.2 | 10.6 | 11.0 | 10.2 | 10.7 |
| Precipitation (mm) | 414 | 212 | 234 | 69 | 37 | 6 | 22 | 46 | 7 | 61 | 66 | 151 |
| Sunny days | 0 | 1 | 0 | 3 | 7 | 18 | 11 | 4 | 13 | 7 | 2 | 5 |
| Rainy days | 31 | 27 | 31 | 27 | 24 | 12 | 20 | 27 | 17 | 24 | 28 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isaha is at