Average annual temperature is 26.0 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 47 days
Number of rainy days: 318 days
Look at detailed online map of Jana
* Weather data for Jana 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) | 29.4 | 29.5 | 30.5 | 30.1 | 30.5 | 29.3 | 28.6 | 28.6 | 28.8 | 30.8 | 31.3 | 32.2 |
| Average daytime temperature (°C) | 28.5 | 28.4 | 29.1 | 29.1 | 29.3 | 28.6 | 27.7 | 27.7 | 27.9 | 29.4 | 30.0 | 29.8 |
| Average temperature (°C) | 25.9 | 25.7 | 26.2 | 26.4 | 26.7 | 26.2 | 25.2 | 24.7 | 24.8 | 26.3 | 27.0 | 27.0 |
| Average night temperature (°C) | 23.8 | 23.7 | 23.6 | 24.0 | 23.9 | 23.8 | 22.3 | 21.8 | 21.9 | 23.8 | 24.2 | 24.2 |
| Absolute minimum temperature (°C) | 23.1 | 23.0 | 22.4 | 23.3 | 22.7 | 22.0 | 19.4 | 19.6 | 18.8 | 22.2 | 23.0 | 21.9 |
| 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 | 11.8 | 11.7 | 11.7 | 11.9 | 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) | 8.3 | 6.4 | 9.2 | 9.1 | 10.0 | 10.4 | 10.4 | 10.7 | 10.9 | 10.7 | 10.3 | 10.0 |
| Precipitation (mm) | 220 | 447 | 201 | 190 | 88 | 84 | 52 | 8 | 17 | 29 | 123 | 92 |
| Sunny days | 0 | 0 | 0 | 1 | 6 | 3 | 9 | 11 | 7 | 5 | 0 | 5 |
| Rainy days | 31 | 28 | 31 | 29 | 25 | 27 | 22 | 20 | 23 | 26 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jana is at