Average annual temperature is 26.3 °C
Absolute maximum temperature: 44.0 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 231 days
Number of rainy days: 134 days
Look at detailed online map of Bihār
* Weather data for Bihār India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.1 | 34.2 | 37.0 | 40.9 | 44.0 | 41.2 | 34.2 | 31.3 | 32.9 | 34.1 | 33.3 | 29.6 |
| Average daytime temperature (°C) | 26.7 | 30.5 | 32.9 | 36.8 | 39.3 | 37.4 | 31.1 | 30.3 | 30.5 | 32.9 | 30.7 | 26.9 |
| Average temperature (°C) | 19.6 | 22.3 | 26.0 | 30.0 | 32.8 | 32.0 | 27.3 | 26.6 | 26.8 | 26.9 | 24.3 | 20.7 |
| Average night temperature (°C) | 13.4 | 14.4 | 19.6 | 23.6 | 26.4 | 27.4 | 24.6 | 23.6 | 23.9 | 21.2 | 18.3 | 15.2 |
| Absolute minimum temperature (°C) | 8.9 | 9.9 | 16.0 | 20.9 | 20.8 | 24.3 | 23.8 | 21.2 | 22.4 | 18.0 | 16.0 | 11.4 |
| 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) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.4 | 13.3 | 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) | 9.9 | 10.4 | 10.3 | 11.2 | 11.8 | 9.7 | 6.7 | 9.6 | 8.5 | 10.6 | 10.0 | 9.2 |
| Precipitation (mm) | 7 | 0 | 24 | 27 | 5 | 74 | 445 | 89 | 421 | 0 | 58 | 4 |
| Sunny days | 28 | 28 | 22 | 23 | 27 | 15 | 0 | 2 | 4 | 30 | 25 | 27 |
| Rainy days | 3 | 0 | 9 | 7 | 4 | 15 | 31 | 29 | 26 | 1 | 5 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihār is at