Average annual temperature is 24.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 177 days
Number of rainy days: 188 days
Look at detailed online map of Birnārāyan
* Weather data for Birnārāyan 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) | 27.1 | 31.3 | 33.6 | 39.9 | 38.8 | 37.6 | 35.0 | 35.2 | 35.8 | 32.1 | 32.2 | 28.2 |
| Average daytime temperature (°C) | 23.1 | 27.2 | 30.2 | 34.5 | 32.8 | 32.7 | 32.6 | 32.3 | 32.2 | 30.3 | 29.3 | 25.2 |
| Average temperature (°C) | 16.2 | 20.3 | 23.8 | 27.3 | 27.4 | 28.5 | 29.1 | 28.6 | 28.6 | 25.9 | 23.2 | 19.3 |
| Average night temperature (°C) | 10.6 | 14.1 | 18.1 | 20.9 | 22.9 | 25.3 | 26.1 | 25.7 | 25.7 | 22.1 | 18.0 | 14.4 |
| Absolute minimum temperature (°C) | 7.3 | 11.6 | 15.2 | 17.5 | 21.1 | 23.2 | 24.7 | 23.9 | 23.8 | 18.1 | 15.1 | 11.6 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 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 | 9.8 | 9.6 | 10.7 | 10.0 | 7.5 | 8.6 | 7.8 | 8.4 | 9.0 | 9.7 | 8.5 |
| Precipitation (mm) | 0 | 3 | 45 | 61 | 224 | 689 | 286 | 361 | 277 | 214 | 4 | 15 |
| Sunny days | 31 | 24 | 20 | 21 | 11 | 3 | 2 | 1 | 1 | 9 | 29 | 25 |
| Rainy days | 0 | 4 | 11 | 9 | 20 | 27 | 29 | 30 | 29 | 22 | 1 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birnārāyan is at