Average annual temperature is 17.2 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 5.1 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Rianavo
* Weather data for Rianavo 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) | 26.0 | 26.6 | 25.2 | 24.3 | 23.6 | 22.3 | 22.1 | 23.5 | 26.9 | 30.5 | 30.4 | 29.4 |
| Average daytime temperature (°C) | 23.3 | 24.5 | 23.5 | 23.0 | 21.4 | 20.1 | 19.2 | 20.2 | 23.9 | 27.4 | 25.3 | 26.2 |
| Average temperature (°C) | 18.6 | 18.8 | 18.4 | 17.5 | 15.6 | 14.0 | 13.4 | 14.5 | 16.5 | 19.9 | 19.1 | 20.0 |
| Average night temperature (°C) | 15.7 | 14.6 | 15.1 | 13.3 | 10.9 | 9.0 | 8.8 | 10.0 | 10.3 | 13.5 | 14.1 | 15.4 |
| Absolute minimum temperature (°C) | 13.5 | 12.7 | 13.3 | 9.6 | 7.7 | 5.1 | 6.7 | 6.5 | 8.8 | 8.0 | 11.6 | 13.5 |
| 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) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 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) | 7.6 | 9.7 | 9.0 | 10.0 | 9.7 | 9.8 | 9.6 | 9.2 | 11.2 | 11.5 | 11.4 | 10.7 |
| Precipitation (mm) | 422 | 227 | 283 | 99 | 28 | 0 | 4 | 39 | 0 | 27 | 93 | 202 |
| Sunny days | 1 | 3 | 0 | 8 | 15 | 28 | 21 | 14 | 28 | 16 | 9 | 3 |
| Rainy days | 30 | 25 | 31 | 22 | 16 | 2 | 10 | 17 | 2 | 15 | 21 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rianavo is at