Average annual temperature is 25.7 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 243 days
Number of rainy days: 122 days
Look at detailed online map of Antsialoa
* Weather data for Antsialoa 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) | 35.5 | 36.7 | 34.4 | 33.4 | 32.2 | 32.0 | 32.3 | 35.5 | 39.0 | 40.8 | 42.4 | 41.8 |
| Average daytime temperature (°C) | 33.1 | 33.6 | 30.9 | 31.3 | 29.5 | 29.1 | 29.4 | 31.6 | 36.2 | 36.8 | 37.2 | 38.2 |
| Average temperature (°C) | 27.2 | 27.5 | 25.7 | 24.9 | 22.7 | 21.2 | 21.4 | 23.4 | 27.4 | 27.7 | 28.7 | 30.0 |
| Average night temperature (°C) | 23.0 | 23.2 | 21.9 | 20.2 | 17.3 | 15.1 | 14.8 | 16.5 | 19.6 | 20.6 | 21.8 | 23.5 |
| Absolute minimum temperature (°C) | 21.1 | 21.8 | 17.7 | 17.1 | 14.5 | 11.3 | 11.3 | 13.3 | 15.1 | 16.8 | 18.0 | 20.2 |
| 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) | 13.4 | 12.9 | 12.2 | 11.5 | 11.0 | 10.7 | 10.8 | 11.3 | 12.0 | 12.6 | 13.2 | 13.6 |
| 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) | 10.1 | 10.3 | 8.6 | 10.3 | 9.8 | 9.8 | 9.8 | 10.1 | 11.2 | 11.1 | 12.0 | 11.5 |
| Precipitation (mm) | 178 | 138 | 246 | 19 | 27 | 1 | 0 | 0 | 0 | 14 | 45 | 86 |
| Sunny days | 8 | 7 | 11 | 19 | 23 | 27 | 30 | 29 | 30 | 22 | 20 | 17 |
| Rainy days | 23 | 21 | 20 | 11 | 8 | 3 | 1 | 2 | 0 | 9 | 10 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Antsialoa is at