Average annual temperature is 25.5 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Birāi
* Weather data for Birāi 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) | 28.3 | 32.8 | 33.6 | 39.7 | 39.6 | 38.2 | 34.7 | 36.6 | 36.0 | 32.1 | 32.8 | 29.1 |
| Average daytime temperature (°C) | 25.4 | 29.1 | 30.9 | 34.9 | 34.1 | 33.4 | 32.7 | 32.2 | 32.5 | 30.7 | 29.3 | 25.7 |
| Average temperature (°C) | 18.1 | 22.0 | 24.2 | 27.9 | 28.5 | 29.2 | 29.2 | 28.6 | 28.6 | 26.3 | 23.6 | 20.0 |
| Average night temperature (°C) | 12.1 | 15.4 | 18.8 | 22.1 | 23.8 | 26.2 | 26.4 | 25.7 | 25.7 | 22.3 | 18.2 | 14.9 |
| Absolute minimum temperature (°C) | 8.9 | 11.4 | 17.2 | 18.5 | 22.3 | 24.4 | 24.8 | 24.3 | 24.6 | 19.2 | 15.0 | 12.1 |
| 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 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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) | 9.7 | 9.5 | 8.7 | 10.3 | 9.8 | 6.7 | 8.7 | 7.8 | 8.5 | 8.8 | 9.3 | 8.4 |
| Precipitation (mm) | 0 | 1 | 115 | 57 | 183 | 524 | 226 | 449 | 338 | 189 | 28 | 32 |
| Sunny days | 30 | 24 | 13 | 13 | 12 | 3 | 1 | 1 | 1 | 15 | 26 | 26 |
| Rainy days | 1 | 4 | 18 | 17 | 19 | 27 | 30 | 30 | 29 | 16 | 4 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birāi is at