Average annual temperature is 25.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 20.6 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of Sepan
* Weather data for Sepan 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) | 31.3 | 31.8 | 31.3 | 32.7 | 32.1 | 32.8 | 32.0 | 32.7 | 33.7 | 34.3 | 32.5 | 31.8 |
| Average daytime temperature (°C) | 29.3 | 29.6 | 29.4 | 30.7 | 30.9 | 30.5 | 30.0 | 30.7 | 31.0 | 31.6 | 30.7 | 30.3 |
| Average temperature (°C) | 24.9 | 25.1 | 24.9 | 25.9 | 26.4 | 26.1 | 25.8 | 26.0 | 26.3 | 26.1 | 25.8 | 25.8 |
| Average night temperature (°C) | 22.2 | 22.3 | 22.3 | 22.7 | 23.4 | 23.0 | 22.7 | 22.9 | 23.0 | 22.9 | 23.0 | 23.2 |
| Absolute minimum temperature (°C) | 20.6 | 21.2 | 21.1 | 21.6 | 22.4 | 21.7 | 21.8 | 21.6 | 21.5 | 21.7 | 21.8 | 22.4 |
| 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) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| 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) | 7.6 | 8.0 | 7.1 | 9.2 | 9.1 | 8.8 | 8.7 | 8.6 | 8.5 | 8.1 | 8.6 | 8.4 |
| Precipitation (mm) | 379 | 338 | 493 | 241 | 205 | 154 | 247 | 268 | 207 | 331 | 369 | 384 |
| Sunny days | 0 | 1 | 0 | 0 | 1 | 3 | 8 | 2 | 3 | 1 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 30 | 27 | 23 | 29 | 27 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sepan is at