Average annual temperature is 24.6 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 8.2 °C
Number of sunny days: 163 days
Number of rainy days: 202 days
Look at detailed online map of Haljāu
* Weather data for Haljāu Bangladesh is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.4 | 30.2 | 33.0 | 37.1 | 37.9 | 36.7 | 34.2 | 35.9 | 36.3 | 32.0 | 32.2 | 29.1 |
| Average daytime temperature (°C) | 23.1 | 26.6 | 29.2 | 33.0 | 32.6 | 31.7 | 31.8 | 31.5 | 32.1 | 30.0 | 29.2 | 25.3 |
| Average temperature (°C) | 16.8 | 20.1 | 23.0 | 26.3 | 27.2 | 27.9 | 28.3 | 27.9 | 28.4 | 25.7 | 23.3 | 19.8 |
| Average night temperature (°C) | 11.6 | 14.2 | 18.0 | 20.5 | 22.7 | 24.9 | 25.4 | 25.3 | 25.4 | 21.8 | 17.9 | 15.1 |
| Absolute minimum temperature (°C) | 8.2 | 11.3 | 15.8 | 17.4 | 20.7 | 23.7 | 24.5 | 23.8 | 23.9 | 18.3 | 14.3 | 12.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.3 | 9.7 | 9.3 | 10.3 | 10.1 | 6.9 | 8.8 | 7.6 | 8.8 | 9.2 | 9.6 | 8.4 |
| Precipitation (mm) | 0 | 1 | 99 | 55 | 299 | 486 | 339 | 433 | 229 | 356 | 2 | 18 |
| Sunny days | 30 | 25 | 14 | 16 | 7 | 2 | 2 | 1 | 3 | 12 | 27 | 24 |
| Rainy days | 1 | 3 | 17 | 14 | 24 | 28 | 29 | 30 | 27 | 19 | 3 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haljāu is at