Average annual temperature is 22.8 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 10.1 °C
Number of sunny days: 202 days
Number of rainy days: 163 days
Look at detailed online map of Onisoa
* Weather data for Onisoa 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) | 30.0 | 30.9 | 29.4 | 28.7 | 28.4 | 28.0 | 27.8 | 30.0 | 33.6 | 37.2 | 36.9 | 36.4 |
| Average daytime temperature (°C) | 28.1 | 29.2 | 27.7 | 27.6 | 26.8 | 26.1 | 26.1 | 27.6 | 31.5 | 33.8 | 32.7 | 32.3 |
| Average temperature (°C) | 23.3 | 23.7 | 22.7 | 22.1 | 20.7 | 19.2 | 19.3 | 20.9 | 23.6 | 26.3 | 25.6 | 26.0 |
| Average night temperature (°C) | 20.0 | 19.4 | 19.1 | 17.6 | 15.5 | 13.2 | 13.5 | 15.2 | 16.4 | 19.2 | 19.2 | 20.7 |
| Absolute minimum temperature (°C) | 18.6 | 18.1 | 17.5 | 15.5 | 13.5 | 10.1 | 10.8 | 13.1 | 13.5 | 15.5 | 17.1 | 17.4 |
| 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) | 8.3 | 10.4 | 9.7 | 10.3 | 10.0 | 9.9 | 9.9 | 10.3 | 11.1 | 11.5 | 11.8 | 11.5 |
| Precipitation (mm) | 383 | 143 | 179 | 61 | 10 | 0 | 0 | 5 | 0 | 15 | 39 | 152 |
| Sunny days | 3 | 5 | 3 | 15 | 20 | 30 | 30 | 25 | 30 | 25 | 13 | 3 |
| Rainy days | 28 | 23 | 28 | 15 | 11 | 0 | 1 | 6 | 0 | 6 | 17 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onisoa is at