Average annual temperature is 25.7 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 21.7 °C
Number of sunny days: 5 days
Number of rainy days: 360 days
Look at detailed online map of Kabupaten Kepulauan Mentawai
* Weather data for Kabupaten Kepulauan Mentawai 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) | 32.7 | 32.5 | 32.4 | 32.3 | 33.2 | 32.7 | 31.9 | 31.7 | 32.1 | 33.1 | 32.0 | 31.9 |
| Average daytime temperature (°C) | 29.1 | 30.1 | 30.3 | 30.1 | 30.2 | 30.0 | 29.1 | 29.5 | 30.5 | 30.6 | 30.4 | 30.5 |
| Average temperature (°C) | 25.2 | 25.9 | 25.7 | 26.0 | 26.2 | 25.9 | 25.5 | 25.3 | 25.9 | 25.7 | 25.7 | 25.8 |
| Average night temperature (°C) | 22.7 | 23.0 | 22.9 | 23.2 | 23.6 | 23.4 | 23.1 | 22.8 | 23.2 | 23.0 | 23.2 | 23.4 |
| Absolute minimum temperature (°C) | 21.7 | 22.1 | 21.9 | 22.1 | 22.6 | 22.3 | 22.1 | 22.3 | 22.4 | 21.9 | 22.2 | 22.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.1 | 8.7 | 8.4 | 8.4 | 8.1 | 8.0 | 7.9 | 7.2 | 9.7 | 9.3 | 8.6 | 8.0 |
| Precipitation (mm) | 364 | 203 | 337 | 270 | 356 | 329 | 419 | 636 | 161 | 295 | 296 | 420 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kabupaten Kepulauan Mentawai is at