Average annual temperature is 26.1 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 11.8 °C
Number of sunny days: 158 days
Number of rainy days: 207 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) | 29.2 | 33.3 | 35.2 | 39.6 | 39.7 | 36.8 | 33.7 | 33.7 | 33.6 | 32.4 | 32.2 | 28.0 |
| Average daytime temperature (°C) | 25.8 | 29.8 | 31.9 | 35.2 | 34.0 | 32.9 | 31.6 | 31.6 | 31.0 | 30.7 | 28.6 | 25.4 |
| Average temperature (°C) | 19.6 | 23.3 | 26.0 | 29.0 | 29.3 | 29.4 | 28.7 | 28.3 | 28.2 | 27.0 | 24.0 | 20.4 |
| Average night temperature (°C) | 14.7 | 17.9 | 21.1 | 24.4 | 25.5 | 26.9 | 26.5 | 26.2 | 25.9 | 23.8 | 19.8 | 16.3 |
| Absolute minimum temperature (°C) | 11.8 | 14.7 | 19.0 | 20.9 | 22.0 | 24.8 | 24.4 | 25.0 | 24.5 | 20.5 | 16.5 | 13.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 9.5 | 9.0 | 10.7 | 9.8 | 7.9 | 10.6 | 8.0 | 8.2 | 9.2 | 9.1 | 8.7 |
| Precipitation (mm) | 3 | 1 | 76 | 76 | 84 | 254 | 244 | 411 | 264 | 109 | 143 | 3 |
| Sunny days | 29 | 23 | 15 | 16 | 9 | 2 | 0 | 0 | 0 | 12 | 24 | 28 |
| Rainy days | 2 | 5 | 16 | 14 | 22 | 28 | 31 | 31 | 30 | 19 | 6 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birnārāyan is at