Average annual temperature is 18.5 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: 3.7 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of Ianjanina
* Weather data for Ianjanina 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) | 27.7 | 28.2 | 26.9 | 26.9 | 25.1 | 24.1 | 24.6 | 26.1 | 28.9 | 33.0 | 32.9 | 31.7 |
| Average daytime temperature (°C) | 25.3 | 26.6 | 25.7 | 25.1 | 23.4 | 21.9 | 21.5 | 22.9 | 26.2 | 29.7 | 28.1 | 28.7 |
| Average temperature (°C) | 20.0 | 20.2 | 19.7 | 18.7 | 16.9 | 14.7 | 14.7 | 16.1 | 17.5 | 21.3 | 20.7 | 21.7 |
| Average night temperature (°C) | 16.7 | 15.8 | 16.0 | 14.3 | 12.0 | 9.2 | 9.5 | 11.1 | 10.1 | 14.6 | 15.1 | 16.7 |
| Absolute minimum temperature (°C) | 15.0 | 13.8 | 14.7 | 11.3 | 7.8 | 3.7 | 7.4 | 8.9 | 8.0 | 10.7 | 13.2 | 14.3 |
| 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 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.8 | 12.2 | 11.6 | 11.2 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.3 |
| 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) | 6.9 | 9.4 | 9.7 | 9.7 | 9.8 | 9.6 | 9.2 | 9.6 | 11.0 | 11.2 | 11.6 | 11.2 |
| Precipitation (mm) | 408 | 155 | 227 | 91 | 15 | 0 | 3 | 17 | 0 | 27 | 73 | 221 |
| Sunny days | 0 | 8 | 1 | 9 | 19 | 28 | 22 | 15 | 29 | 15 | 9 | 5 |
| Rainy days | 31 | 20 | 30 | 21 | 12 | 2 | 9 | 16 | 1 | 16 | 21 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ianjanina is at