Average annual temperature is 26.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 21.4 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Rian
* Weather data for Rian 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) | 32.3 | 32.4 | 32.4 | 32.6 | 33.6 | 32.6 | 33.5 | 32.8 | 33.1 | 33.1 | 32.9 | 33.0 |
| Average daytime temperature (°C) | 30.0 | 30.5 | 30.6 | 31.1 | 30.8 | 31.2 | 31.4 | 30.8 | 30.9 | 31.2 | 31.5 | 31.3 |
| Average temperature (°C) | 25.6 | 25.6 | 25.9 | 26.2 | 26.4 | 26.3 | 26.5 | 26.4 | 26.2 | 26.4 | 26.4 | 26.5 |
| Average night temperature (°C) | 22.7 | 22.7 | 22.9 | 23.1 | 23.8 | 23.3 | 23.6 | 23.4 | 23.3 | 23.2 | 23.3 | 23.5 |
| Absolute minimum temperature (°C) | 21.4 | 21.7 | 22.0 | 22.3 | 23.1 | 22.5 | 22.8 | 22.5 | 22.6 | 22.2 | 22.5 | 22.7 |
| 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 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 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 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.4 | 8.7 | 9.0 | 9.3 | 8.3 | 9.3 | 9.3 | 8.9 | 8.2 | 8.8 | 9.7 | 10.0 |
| Precipitation (mm) | 495 | 347 | 428 | 365 | 566 | 497 | 413 | 406 | 522 | 434 | 425 | 490 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rian is at