Average annual temperature is 21.7 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 34 days
Number of rainy days: 331 days
Look at detailed online map of Rii
* Weather data for Rii 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) | 26.5 | 25.8 | 27.6 | 26.9 | 26.6 | 27.7 | 27.7 | 29.0 | 29.6 | 30.8 | 30.0 | 28.2 |
| Average daytime temperature (°C) | 24.5 | 23.4 | 24.9 | 25.0 | 25.6 | 26.3 | 25.8 | 26.8 | 28.0 | 28.8 | 27.8 | 27.1 |
| Average temperature (°C) | 21.4 | 20.9 | 21.4 | 21.5 | 21.4 | 21.5 | 21.1 | 21.0 | 21.5 | 22.9 | 23.2 | 23.0 |
| Average night temperature (°C) | 19.2 | 19.5 | 18.6 | 18.9 | 18.1 | 17.9 | 17.9 | 16.7 | 16.9 | 18.3 | 19.5 | 20.2 |
| Absolute minimum temperature (°C) | 17.3 | 18.3 | 17.3 | 16.5 | 16.0 | 16.4 | 15.4 | 15.2 | 14.2 | 17.1 | 17.6 | 19.1 |
| 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) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 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) | 9.2 | 5.4 | 8.9 | 8.7 | 10.3 | 10.3 | 9.8 | 10.3 | 10.9 | 11.5 | 11.1 | 9.9 |
| Precipitation (mm) | 166 | 392 | 305 | 222 | 33 | 43 | 68 | 63 | 52 | 83 | 131 | 256 |
| Sunny days | 1 | 0 | 0 | 1 | 7 | 5 | 6 | 8 | 6 | 0 | 0 | 0 |
| Rainy days | 30 | 28 | 31 | 29 | 24 | 25 | 25 | 23 | 24 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rii is at