Average annual temperature is 24.2 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Mentawana
* Weather data for Mentawana Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 29.3 | 29.8 | 29.8 | 30.0 | 29.3 | 28.2 | 29.5 | 30.2 | 30.9 | 31.3 | 31.1 |
| Average daytime temperature (°C) | 27.6 | 27.7 | 28.3 | 28.2 | 28.6 | 27.9 | 26.6 | 27.8 | 28.3 | 29.7 | 29.1 | 28.8 |
| Average temperature (°C) | 24.1 | 24.1 | 24.5 | 24.6 | 24.8 | 24.3 | 23.0 | 22.8 | 23.2 | 24.9 | 25.1 | 24.9 |
| Average night temperature (°C) | 21.8 | 22.0 | 21.7 | 22.1 | 21.7 | 21.5 | 20.0 | 19.1 | 19.5 | 21.6 | 22.3 | 21.9 |
| Absolute minimum temperature (°C) | 20.2 | 20.6 | 20.0 | 20.7 | 20.0 | 19.3 | 16.9 | 16.3 | 16.4 | 19.8 | 21.2 | 18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.3 | 5.8 | 8.0 | 8.3 | 9.7 | 10.1 | 9.9 | 10.1 | 10.6 | 10.7 | 8.9 | 9.0 |
| Precipitation (mm) | 372 | 510 | 422 | 392 | 262 | 193 | 109 | 26 | 36 | 138 | 330 | 239 |
| Sunny days | 0 | 0 | 0 | 0 | 3 | 0 | 9 | 11 | 13 | 2 | 0 | 3 |
| Rainy days | 31 | 28 | 31 | 30 | 28 | 30 | 22 | 20 | 17 | 29 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mentawana is at