Average annual temperature is 17.7 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 4.7 °C
Number of sunny days: 154 days
Number of rainy days: 211 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) | 25.4 | 26.9 | 25.2 | 25.2 | 23.1 | 22.8 | 23.4 | 23.9 | 27.3 | 32.1 | 28.4 | 29.7 |
| Average daytime temperature (°C) | 23.5 | 24.8 | 23.8 | 23.4 | 22.0 | 20.6 | 21.4 | 22.2 | 25.4 | 27.4 | 25.6 | 26.5 |
| Average temperature (°C) | 19.0 | 19.5 | 18.9 | 17.8 | 15.9 | 14.0 | 14.6 | 15.8 | 17.5 | 20.2 | 19.3 | 20.5 |
| Average night temperature (°C) | 15.5 | 14.8 | 15.1 | 12.9 | 10.5 | 8.0 | 8.3 | 9.6 | 9.8 | 13.4 | 13.2 | 15.4 |
| Absolute minimum temperature (°C) | 13.4 | 12.3 | 13.4 | 8.8 | 7.5 | 4.7 | 5.0 | 7.3 | 7.9 | 9.5 | 9.5 | 13.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.1 | 12.7 | 12.2 | 11.7 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 7.8 | 10.0 | 9.4 | 9.9 | 10.2 | 10.1 | 9.7 | 9.9 | 10.8 | 11.2 | 11.6 | 11.4 |
| Precipitation (mm) | 489 | 169 | 303 | 108 | 16 | 0 | 0 | 47 | 0 | 66 | 100 | 196 |
| Sunny days | 1 | 4 | 2 | 7 | 18 | 29 | 27 | 17 | 28 | 13 | 7 | 1 |
| Rainy days | 30 | 24 | 29 | 23 | 13 | 1 | 4 | 14 | 2 | 18 | 23 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isaha is at