Average annual temperature is 25.1 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of Mertelu
* Weather data for Mertelu 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) | 31.7 | 32.1 | 32.7 | 33.3 | 33.9 | 33.8 | 32.9 | 32.6 | 31.8 | 32.4 | 32.3 | 32.1 |
| Average daytime temperature (°C) | 29.9 | 30.4 | 31.0 | 30.7 | 30.6 | 30.8 | 30.2 | 30.1 | 29.3 | 29.4 | 29.5 | 30.3 |
| Average temperature (°C) | 24.4 | 24.8 | 24.9 | 25.1 | 25.9 | 25.9 | 25.5 | 25.0 | 24.9 | 24.8 | 24.9 | 25.2 |
| Average night temperature (°C) | 20.5 | 20.8 | 20.9 | 21.8 | 22.8 | 22.3 | 22.1 | 22.0 | 22.1 | 22.0 | 22.1 | 22.0 |
| Absolute minimum temperature (°C) | 16.8 | 19.2 | 18.9 | 19.8 | 20.9 | 20.3 | 20.1 | 20.6 | 21.4 | 20.6 | 20.9 | 20.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.5 | 9.2 | 8.8 | 8.1 | 8.6 | 8.8 | 8.2 | 7.1 | 6.5 | 6.8 | 6.5 | 7.5 |
| Precipitation (mm) | 252 | 192 | 225 | 267 | 264 | 141 | 113 | 336 | 288 | 317 | 420 | 480 |
| Sunny days | 2 | 1 | 2 | 0 | 1 | 8 | 5 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 29 | 27 | 29 | 30 | 30 | 22 | 26 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mertelu is at