Average annual temperature is 27.5 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 82 days
Number of rainy days: 283 days
Look at detailed online map of Mertajaya
* Weather data for Mertajaya 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) | 32.4 | 31.6 | 31.1 | 32.7 | 33.1 | 33.8 | 33.7 | 34.7 | 35.4 | 36.0 | 34.5 | 32.9 |
| Average daytime temperature (°C) | 30.0 | 29.3 | 29.5 | 30.7 | 31.6 | 32.0 | 31.8 | 32.8 | 33.8 | 34.3 | 32.5 | 31.4 |
| Average temperature (°C) | 26.5 | 26.0 | 26.2 | 27.0 | 27.9 | 27.8 | 27.2 | 28.0 | 28.6 | 29.4 | 28.0 | 27.6 |
| Average night temperature (°C) | 23.8 | 23.7 | 23.5 | 23.9 | 24.6 | 24.0 | 23.2 | 23.5 | 24.1 | 25.2 | 24.6 | 24.6 |
| Absolute minimum temperature (°C) | 22.7 | 22.7 | 22.3 | 22.3 | 23.0 | 23.0 | 21.1 | 22.0 | 21.5 | 23.4 | 23.3 | 23.9 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| 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) | 8.5 | 6.8 | 9.6 | 10.4 | 10.3 | 10.4 | 10.4 | 11.0 | 11.2 | 11.1 | 9.9 | 10.1 |
| Precipitation (mm) | 188 | 294 | 252 | 163 | 79 | 65 | 93 | 5 | 5 | 47 | 247 | 196 |
| Sunny days | 0 | 0 | 2 | 0 | 4 | 4 | 15 | 21 | 23 | 10 | 2 | 1 |
| Rainy days | 31 | 28 | 29 | 30 | 27 | 26 | 16 | 10 | 7 | 21 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mertajaya is at