Average annual temperature is 17.0 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 2.5 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of Atsimontsena
* Weather data for Atsimontsena 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) | 25.7 | 27.1 | 25.1 | 25.0 | 22.7 | 22.5 | 21.5 | 23.5 | 26.8 | 31.4 | 29.7 | 29.0 |
| Average daytime temperature (°C) | 23.5 | 24.7 | 23.9 | 23.1 | 21.5 | 20.2 | 19.9 | 21.1 | 24.2 | 27.4 | 25.6 | 26.1 |
| Average temperature (°C) | 18.5 | 18.8 | 18.3 | 17.1 | 15.3 | 13.3 | 13.5 | 14.8 | 16.3 | 19.5 | 18.8 | 19.9 |
| Average night temperature (°C) | 15.3 | 14.6 | 14.8 | 12.9 | 10.6 | 7.9 | 8.4 | 9.9 | 9.8 | 12.9 | 13.3 | 15.3 |
| Absolute minimum temperature (°C) | 13.3 | 11.7 | 13.3 | 9.4 | 6.1 | 2.5 | 5.0 | 7.3 | 7.5 | 9.5 | 11.1 | 12.6 |
| 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 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.7 | 12.2 | 11.6 | 11.2 | 10.9 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 7.5 | 9.5 | 9.3 | 9.5 | 9.8 | 9.6 | 9.0 | 9.4 | 10.8 | 11.1 | 11.4 | 11.2 |
| Precipitation (mm) | 428 | 182 | 263 | 63 | 18 | 0 | 4 | 27 | 1 | 70 | 84 | 159 |
| Sunny days | 1 | 4 | 1 | 8 | 16 | 27 | 22 | 18 | 28 | 14 | 7 | 4 |
| Rainy days | 30 | 24 | 30 | 22 | 15 | 3 | 9 | 13 | 2 | 17 | 23 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Atsimontsena is at