Average annual temperature is 22.5 °C
Absolute maximum temperature: 29.0 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Bayan
* Weather data for Bayan 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) | 28.0 | 27.9 | 27.7 | 27.5 | 27.2 | 26.8 | 24.9 | 26.2 | 27.3 | 28.6 | 29.0 | 28.6 |
| Average daytime temperature (°C) | 25.9 | 26.2 | 26.7 | 25.8 | 25.4 | 25.4 | 23.2 | 24.2 | 25.2 | 27.2 | 27.3 | 26.9 |
| Average temperature (°C) | 22.9 | 22.9 | 23.1 | 23.0 | 22.4 | 22.2 | 20.8 | 21.0 | 21.5 | 23.2 | 23.4 | 23.2 |
| Average night temperature (°C) | 21.2 | 21.0 | 20.9 | 21.3 | 20.4 | 20.2 | 19.3 | 18.8 | 19.2 | 20.5 | 21.1 | 21.1 |
| Absolute minimum temperature (°C) | 20.3 | 19.4 | 19.5 | 20.4 | 18.9 | 18.5 | 17.8 | 17.0 | 17.8 | 19.1 | 19.6 | 18.9 |
| 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) | 12.5 | 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) | 8.7 | 6.9 | 9.7 | 8.1 | 10.2 | 10.0 | 9.0 | 10.1 | 10.5 | 11.5 | 11.0 | 9.9 |
| Precipitation (mm) | 198 | 417 | 296 | 256 | 129 | 68 | 160 | 33 | 35 | 99 | 166 | 240 |
| Sunny days | 1 | 0 | 0 | 1 | 5 | 6 | 2 | 12 | 7 | 3 | 1 | 2 |
| Rainy days | 30 | 28 | 31 | 29 | 26 | 24 | 29 | 19 | 23 | 28 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bayan is at