Average annual temperature is 20.2 °C
Absolute maximum temperature: 28.9 °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 Lean
* Weather data for Lean 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) | 26.6 | 26.7 | 26.7 | 27.4 | 27.0 | 26.1 | 26.4 | 26.6 | 27.8 | 28.9 | 28.3 | 27.3 |
| Average daytime temperature (°C) | 24.8 | 25.1 | 24.9 | 25.5 | 25.2 | 24.6 | 24.2 | 24.6 | 25.4 | 27.0 | 26.5 | 26.1 |
| Average temperature (°C) | 19.9 | 20.2 | 19.9 | 20.2 | 20.4 | 19.9 | 19.4 | 19.3 | 19.7 | 21.1 | 21.0 | 20.8 |
| Average night temperature (°C) | 16.7 | 16.9 | 16.8 | 17.0 | 17.4 | 16.9 | 15.9 | 15.8 | 15.8 | 16.8 | 17.4 | 17.6 |
| Absolute minimum temperature (°C) | 15.7 | 15.7 | 14.9 | 15.7 | 16.2 | 14.9 | 14.2 | 14.5 | 14.4 | 15.4 | 16.4 | 16.6 |
| 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) | 8.9 | 8.2 | 8.3 | 8.9 | 9.5 | 9.5 | 9.8 | 10.7 | 11.0 | 11.2 | 10.2 | 9.6 |
| Precipitation (mm) | 168 | 142 | 457 | 358 | 268 | 151 | 146 | 120 | 86 | 75 | 281 | 361 |
| Sunny days | 3 | 2 | 0 | 0 | 0 | 3 | 7 | 2 | 9 | 6 | 1 | 1 |
| Rainy days | 28 | 26 | 31 | 30 | 31 | 27 | 24 | 29 | 21 | 25 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lean is at