The climate is tropical in Brahmanbaria. In winter, there is much less rainfall in Brahmanbaria than in summer. The climate here is classified as Aw by the Köppen-Geiger system. The temperature here averages 25.7 °C. The rainfall here averages 2030 mm.
Climate graph Brahmanbaria
The driest month is December. There is 3 mm of precipitation in December. With an average of 443 mm, the most precipitation falls in June.
Temperature graph Brahmanbaria
With an average of 28.7 °C, September is the warmest month. January has the lowest average temperature of the year. It is 18.9 °C.
Climate table // historical Weather data
| Avg. Temperature (°C) | Avg. Temperature (°F) | Precipitation / Rainfall (mm) | |
|---|---|---|---|
| January | 18.9 | 66.0 | 12 |
| February | 21.6 | 70.9 | 19 |
| March | 25.6 | 78.1 | 67 |
| April | 28.2 | 82.8 | 149 |
| May | 28.4 | 83.1 | 264 |
| June | 28.1 | 82.6 | 443 |
| July | 28.3 | 82.9 | 355 |
| August | 28.5 | 83.3 | 266 |
| September | 28.7 | 83.7 | 238 |
| October | 27.4 | 81.3 | 167 |
| November | 23.9 | 75.0 | 47 |
| December | 20.3 | 68.5 | 3 |
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg. Temperature (°C) | 18.9 | 21.6 | 25.6 | 28.2 | 28.4 | 28.1 | 28.3 | 28.5 | 28.7 | 27.4 | 23.9 | 20.3 |
| Min. Temperature (°C) | 12.4 | 14.9 | 19.2 | 22.7 | 24.1 | 25.1 | 25.6 | 25.8 | 25.7 | 24 | 19 | 14.4 |
| Max. Temperature (°C) | 25.5 | 28.4 | 32.1 | 33.7 | 32.7 | 31.1 | 31 | 31.2 | 31.7 | 30.9 | 28.8 | 26.2 |
| Avg. Temperature (°F) | 66.0 | 70.9 | 78.1 | 82.8 | 83.1 | 82.6 | 82.9 | 83.3 | 83.7 | 81.3 | 75.0 | 68.5 |
| Min. Temperature (°F) | 54.3 | 58.8 | 66.6 | 72.9 | 75.4 | 77.2 | 78.1 | 78.4 | 78.3 | 75.2 | 66.2 | 57.9 |
| Max. Temperature (°F) | 77.9 | 83.1 | 89.8 | 92.7 | 90.9 | 88.0 | 87.8 | 88.2 | 89.1 | 87.6 | 83.8 | 79.2 |
| Precipitation / Rainfall (mm) | 12 | 19 | 67 | 149 | 264 | 443 | 355 | 266 | 238 | 167 | 47 | 3 |
The precipitation varies 440 mm between the driest month and the wettest month. During the year, the average temperatures vary by 9.8 °C.