Average annual temperature is 22.7 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 42 days
Number of rainy days: 323 days
Look at detailed online map of Rayan
* Weather data for Rayan 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) | 29.9 | 29.6 | 29.5 | 29.4 | 29.5 | 28.5 | 28.3 | 29.6 | 30.6 | 31.4 | 31.1 | 30.0 |
| Average daytime temperature (°C) | 26.9 | 27.4 | 27.0 | 27.8 | 27.7 | 27.2 | 26.9 | 27.5 | 28.2 | 29.8 | 28.9 | 28.2 |
| Average temperature (°C) | 22.3 | 22.7 | 22.3 | 22.7 | 23.0 | 22.4 | 22.0 | 22.2 | 22.5 | 23.5 | 23.4 | 23.3 |
| Average night temperature (°C) | 18.8 | 19.2 | 19.4 | 19.4 | 19.9 | 19.1 | 18.3 | 18.2 | 18.3 | 18.5 | 19.3 | 19.9 |
| Absolute minimum temperature (°C) | 16.9 | 17.1 | 17.1 | 17.7 | 18.7 | 15.5 | 16.4 | 15.8 | 16.4 | 16.9 | 17.9 | 18.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.8 | 8.0 | 8.1 | 8.9 | 9.6 | 9.5 | 9.9 | 10.8 | 11.0 | 11.1 | 10.2 | 9.4 |
| Precipitation (mm) | 158 | 134 | 383 | 267 | 264 | 161 | 118 | 70 | 77 | 66 | 248 | 254 |
| Sunny days | 3 | 2 | 0 | 0 | 1 | 4 | 11 | 3 | 9 | 7 | 1 | 1 |
| Rainy days | 28 | 26 | 31 | 30 | 30 | 26 | 20 | 28 | 21 | 24 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rayan is at