Average annual temperature is 24.4 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 108 days
Number of rainy days: 257 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) | 28.9 | 28.2 | 29.5 | 30.3 | 30.9 | 32.0 | 31.1 | 33.2 | 34.5 | 34.5 | 34.8 | 34.0 |
| Average daytime temperature (°C) | 27.5 | 27.2 | 28.3 | 28.6 | 29.0 | 30.1 | 28.6 | 30.7 | 31.5 | 33.1 | 31.8 | 30.4 |
| Average temperature (°C) | 23.6 | 23.4 | 23.9 | 24.3 | 24.3 | 24.7 | 23.3 | 23.6 | 24.3 | 26.3 | 26.0 | 25.2 |
| Average night temperature (°C) | 21.1 | 21.1 | 20.9 | 21.3 | 20.6 | 21.1 | 19.4 | 18.9 | 19.6 | 21.6 | 22.3 | 21.7 |
| Absolute minimum temperature (°C) | 20.4 | 20.3 | 19.8 | 20.3 | 18.7 | 19.9 | 17.2 | 17.6 | 17.2 | 20.6 | 21.3 | 19.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.4 | 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) | 8.6 | 6.4 | 8.8 | 9.3 | 9.9 | 10.6 | 10.3 | 10.9 | 11.0 | 11.1 | 10.2 | 9.6 |
| Precipitation (mm) | 174 | 402 | 258 | 204 | 164 | 40 | 43 | 1 | 1 | 35 | 132 | 161 |
| Sunny days | 0 | 1 | 0 | 0 | 17 | 7 | 20 | 28 | 24 | 5 | 2 | 4 |
| Rainy days | 31 | 27 | 31 | 30 | 14 | 23 | 11 | 3 | 6 | 26 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mertelu is at