Average annual temperature is 17.8 °C
Absolute maximum temperature: 24.7 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 3 days
Number of rainy days: 362 days
Look at detailed online map of Hei
* Weather data for Hei 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) | 22.7 | 21.9 | 22.6 | 22.3 | 23.8 | 22.8 | 23.0 | 23.2 | 23.3 | 24.7 | 24.7 | 23.2 |
| Average daytime temperature (°C) | 20.7 | 20.4 | 20.8 | 20.8 | 21.7 | 20.8 | 21.3 | 21.3 | 20.9 | 22.1 | 22.4 | 21.7 |
| Average temperature (°C) | 17.4 | 17.3 | 17.3 | 17.5 | 18.2 | 17.5 | 17.9 | 17.8 | 17.7 | 18.1 | 18.4 | 18.1 |
| Average night temperature (°C) | 15.0 | 15.2 | 15.0 | 15.3 | 16.0 | 15.5 | 16.0 | 15.9 | 15.7 | 15.5 | 15.7 | 15.8 |
| Absolute minimum temperature (°C) | 13.9 | 12.8 | 14.0 | 14.3 | 14.8 | 13.7 | 14.4 | 14.5 | 14.5 | 14.1 | 14.7 | 14.5 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.0 | 7.8 | 8.4 | 8.5 | 8.4 | 8.5 | 8.8 | 8.6 | 7.6 | 9.2 | 9.8 | 9.1 |
| Precipitation (mm) | 388 | 325 | 380 | 431 | 396 | 457 | 469 | 380 | 478 | 338 | 410 | 476 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |