Average annual temperature is 27.3 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 21.0 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Irian
* Weather data for Irian 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 | 31.7 | 32.1 | 33.0 | 33.3 | 34.5 | 34.6 | 36.6 | 38.1 | 38.9 | 35.1 | 35.0 |
| Average daytime temperature (°C) | 29.9 | 29.4 | 30.0 | 31.8 | 31.8 | 32.2 | 32.7 | 34.5 | 35.5 | 36.2 | 33.0 | 32.6 |
| Average temperature (°C) | 26.1 | 25.6 | 25.9 | 26.9 | 27.2 | 27.1 | 27.2 | 28.2 | 28.8 | 29.4 | 27.5 | 27.6 |
| Average night temperature (°C) | 23.2 | 23.1 | 23.0 | 23.3 | 23.8 | 23.3 | 23.1 | 23.3 | 23.8 | 24.8 | 24.0 | 24.1 |
| Absolute minimum temperature (°C) | 22.3 | 22.0 | 21.7 | 21.9 | 22.9 | 22.2 | 21.1 | 21.9 | 21.0 | 23.4 | 23.4 | 23.1 |
| 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) | 7.7 | 6.9 | 8.8 | 9.9 | 9.8 | 10.2 | 10.2 | 11.0 | 11.1 | 11.0 | 9.6 | 9.9 |
| Precipitation (mm) | 234 | 385 | 328 | 181 | 140 | 136 | 87 | 30 | 26 | 86 | 321 | 172 |
| Sunny days | 0 | 0 | 1 | 2 | 1 | 4 | 12 | 13 | 12 | 6 | 0 | 5 |
| Rainy days | 31 | 28 | 30 | 28 | 30 | 26 | 19 | 18 | 18 | 25 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Irian is at