Average annual temperature is 17.7 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Isanalava
* Weather data for Isanalava 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) | 27.5 | 26.7 | 26.1 | 25.4 | 23.8 | 22.9 | 23.0 | 24.9 | 28.0 | 32.1 | 31.7 | 29.5 |
| Average daytime temperature (°C) | 23.5 | 24.1 | 23.5 | 23.3 | 21.3 | 20.2 | 19.1 | 20.0 | 23.2 | 27.5 | 25.4 | 26.7 |
| Average temperature (°C) | 19.3 | 19.2 | 18.9 | 18.3 | 16.3 | 14.7 | 14.1 | 15.0 | 16.6 | 20.1 | 19.4 | 20.7 |
| Average night temperature (°C) | 16.7 | 15.8 | 16.2 | 15.0 | 13.1 | 10.8 | 10.5 | 11.8 | 11.7 | 14.8 | 15.2 | 16.7 |
| Absolute minimum temperature (°C) | 15.4 | 13.4 | 14.5 | 11.6 | 10.0 | 6.9 | 7.9 | 8.9 | 10.0 | 10.4 | 12.3 | 12.7 |
| 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) | 8.0 | 9.6 | 8.6 | 9.5 | 9.1 | 9.5 | 9.0 | 8.3 | 10.9 | 11.1 | 10.5 | 10.8 |
| Precipitation (mm) | 373 | 199 | 221 | 58 | 37 | 3 | 14 | 45 | 5 | 61 | 66 | 153 |
| Sunny days | 0 | 1 | 0 | 3 | 11 | 20 | 17 | 4 | 16 | 12 | 3 | 4 |
| Rainy days | 31 | 27 | 31 | 27 | 20 | 10 | 14 | 27 | 14 | 19 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isanalava is at