Average annual temperature is 26.3 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 22.1 °C
Number of sunny days: 5 days
Number of rainy days: 360 days
Look at detailed online map of Jamna
* Weather data for Jamna 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) | 31.6 | 30.8 | 30.6 | 31.1 | 31.6 | 31.0 | 30.8 | 30.6 | 30.5 | 32.1 | 31.8 | 32.2 |
| Average daytime temperature (°C) | 29.4 | 28.9 | 29.1 | 29.1 | 29.9 | 29.1 | 29.3 | 29.1 | 28.9 | 30.1 | 30.3 | 29.9 |
| Average temperature (°C) | 26.3 | 26.0 | 26.1 | 26.2 | 26.8 | 26.3 | 26.0 | 25.9 | 25.7 | 26.6 | 27.0 | 26.8 |
| Average night temperature (°C) | 23.9 | 23.7 | 23.7 | 23.9 | 24.4 | 23.9 | 23.6 | 23.4 | 23.3 | 24.2 | 24.5 | 24.6 |
| Absolute minimum temperature (°C) | 22.2 | 22.1 | 22.4 | 22.4 | 23.2 | 22.5 | 22.8 | 22.2 | 22.7 | 23.1 | 23.3 | 23.3 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.1 | 6.5 | 7.6 | 7.4 | 8.2 | 8.8 | 8.4 | 8.7 | 8.1 | 9.4 | 9.6 | 8.4 |
| Precipitation (mm) | 337 | 370 | 372 | 323 | 247 | 293 | 500 | 358 | 498 | 249 | 216 | 254 |
| Sunny days | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 31 | 28 | 30 | 30 | 28 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jamna is at