Average annual temperature is 24.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Dewanganj
* Weather data for Dewanganj 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) | 26.9 | 31.0 | 33.1 | 38.9 | 39.9 | 38.0 | 34.4 | 35.2 | 36.6 | 32.1 | 32.9 | 28.6 |
| Average daytime temperature (°C) | 23.0 | 27.3 | 29.9 | 33.7 | 32.9 | 32.3 | 32.2 | 31.9 | 32.4 | 30.3 | 29.5 | 25.2 |
| Average temperature (°C) | 16.8 | 20.3 | 23.4 | 26.7 | 27.5 | 28.4 | 28.7 | 28.4 | 28.7 | 26.0 | 23.4 | 19.8 |
| Average night temperature (°C) | 11.6 | 14.1 | 18.0 | 20.9 | 22.8 | 25.3 | 25.8 | 25.6 | 25.7 | 22.2 | 18.1 | 15.4 |
| Absolute minimum temperature (°C) | 8.3 | 11.6 | 14.9 | 18.1 | 21.3 | 23.7 | 24.7 | 24.1 | 24.0 | 18.7 | 14.6 | 12.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 9.1 | 9.8 | 9.6 | 10.6 | 10.1 | 7.9 | 9.0 | 7.7 | 8.8 | 9.2 | 9.6 | 8.2 |
| Precipitation (mm) | 0 | 3 | 63 | 49 | 333 | 426 | 331 | 446 | 173 | 219 | 3 | 22 |
| Sunny days | 31 | 25 | 16 | 20 | 10 | 2 | 3 | 1 | 3 | 15 | 27 | 25 |
| Rainy days | 0 | 3 | 15 | 10 | 21 | 28 | 28 | 30 | 27 | 16 | 3 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dewanganj is at