Average annual temperature is 24.5 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 233 days
Number of rainy days: 132 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) | 25.3 | 30.6 | 34.0 | 41.1 | 39.6 | 42.6 | 35.6 | 34.2 | 35.2 | 34.4 | 30.2 | 27.9 |
| Average daytime temperature (°C) | 20.0 | 25.8 | 30.5 | 35.5 | 35.3 | 38.0 | 33.2 | 32.6 | 32.5 | 30.8 | 27.5 | 23.0 |
| Average temperature (°C) | 13.4 | 18.6 | 23.5 | 28.0 | 29.1 | 32.7 | 29.4 | 28.9 | 28.6 | 25.1 | 20.9 | 16.0 |
| Average night temperature (°C) | 8.7 | 12.6 | 17.0 | 20.7 | 22.8 | 27.3 | 26.3 | 25.8 | 25.5 | 20.2 | 15.5 | 10.8 |
| Absolute minimum temperature (°C) | 5.4 | 8.9 | 14.4 | 16.6 | 19.5 | 24.3 | 25.0 | 23.0 | 23.9 | 16.8 | 12.7 | 7.4 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 10.0 | 10.0 | 10.6 | 10.4 | 10.7 | 8.4 | 8.3 | 9.1 | 10.0 | 8.7 | 8.2 |
| Precipitation (mm) | 9 | 0 | 36 | 15 | 26 | 92 | 315 | 334 | 173 | 37 | 0 | 5 |
| Sunny days | 29 | 28 | 22 | 26 | 21 | 16 | 1 | 3 | 7 | 23 | 28 | 29 |
| Rainy days | 2 | 0 | 9 | 4 | 10 | 14 | 30 | 28 | 23 | 8 | 2 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihār is at