Average annual temperature is 25.7 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 7.9 °C
Number of sunny days: 185 days
Number of rainy days: 180 days
Look at detailed online map of Bihār
* Weather data for Bihār 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 | 33.0 | 33.6 | 41.8 | 40.2 | 39.7 | 34.6 | 35.7 | 35.3 | 33.3 | 32.1 | 29.6 |
| Average daytime temperature (°C) | 23.8 | 28.1 | 31.2 | 35.6 | 34.7 | 35.0 | 33.1 | 32.6 | 32.1 | 31.2 | 29.8 | 25.6 |
| Average temperature (°C) | 17.1 | 21.1 | 24.7 | 28.4 | 28.8 | 30.2 | 29.4 | 29.0 | 28.7 | 26.6 | 23.8 | 19.7 |
| Average night temperature (°C) | 11.2 | 14.3 | 19.0 | 22.0 | 24.2 | 27.0 | 26.5 | 26.2 | 25.9 | 22.3 | 18.1 | 14.7 |
| Absolute minimum temperature (°C) | 7.9 | 10.8 | 17.0 | 18.1 | 22.1 | 24.7 | 25.4 | 25.1 | 24.1 | 18.8 | 15.1 | 11.2 |
| 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) | 9.6 | 10.0 | 9.8 | 10.8 | 10.4 | 8.2 | 9.7 | 8.5 | 7.9 | 9.4 | 9.8 | 8.6 |
| Precipitation (mm) | 0 | 0 | 88 | 44 | 110 | 287 | 197 | 311 | 284 | 157 | 3 | 23 |
| Sunny days | 31 | 27 | 17 | 20 | 11 | 4 | 1 | 2 | 1 | 18 | 26 | 27 |
| Rainy days | 0 | 1 | 14 | 10 | 20 | 26 | 30 | 29 | 29 | 13 | 4 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihār is at