Average annual temperature is 18.7 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Riampotsy
* Weather data for Riampotsy 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 | 27.3 | 25.6 | 25.1 | 24.3 | 23.2 | 23.1 | 25.3 | 29.0 | 31.7 | 30.5 | 29.6 |
| Average daytime temperature (°C) | 23.7 | 25.3 | 24.0 | 23.8 | 22.5 | 21.5 | 21.4 | 22.9 | 26.6 | 28.6 | 27.1 | 26.8 |
| Average temperature (°C) | 19.4 | 20.0 | 19.1 | 18.7 | 17.3 | 15.3 | 15.3 | 16.8 | 19.2 | 21.7 | 20.6 | 21.2 |
| Average night temperature (°C) | 16.7 | 16.2 | 16.0 | 14.8 | 12.8 | 9.6 | 10.1 | 11.5 | 12.3 | 15.2 | 15.1 | 16.6 |
| Absolute minimum temperature (°C) | 15.2 | 14.4 | 14.7 | 10.6 | 10.0 | 5.9 | 7.1 | 9.4 | 9.7 | 12.4 | 13.3 | 15.0 |
| 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 | 13.3 |
| 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) | 7.7 | 10.4 | 10.0 | 10.4 | 10.2 | 10.0 | 9.9 | 10.2 | 11.1 | 11.6 | 11.7 | 11.7 |
| Precipitation (mm) | 539 | 260 | 214 | 86 | 17 | 0 | 0 | 6 | 0 | 18 | 78 | 171 |
| Sunny days | 2 | 2 | 0 | 6 | 21 | 29 | 28 | 21 | 28 | 21 | 8 | 1 |
| Rainy days | 29 | 26 | 31 | 24 | 10 | 1 | 3 | 10 | 2 | 10 | 22 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riampotsy is at