Average annual temperature is 25.1 °C
Absolute maximum temperature: 43.8 °C
Absolute minimum temperature: 4.5 °C
Number of sunny days: 235 days
Number of rainy days: 130 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) | 24.8 | 31.1 | 33.9 | 41.8 | 43.8 | 43.3 | 35.8 | 34.4 | 36.0 | 35.7 | 31.4 | 27.6 |
| Average daytime temperature (°C) | 20.2 | 26.5 | 30.7 | 36.0 | 37.5 | 38.3 | 33.4 | 32.8 | 32.8 | 32.3 | 27.9 | 23.4 |
| Average temperature (°C) | 13.5 | 19.4 | 23.7 | 28.8 | 30.5 | 33.1 | 29.7 | 29.2 | 28.8 | 26.0 | 21.6 | 16.6 |
| Average night temperature (°C) | 8.1 | 12.7 | 17.3 | 21.4 | 23.8 | 27.9 | 26.7 | 26.3 | 25.6 | 20.5 | 15.8 | 11.3 |
| Absolute minimum temperature (°C) | 4.5 | 10.1 | 15.0 | 17.2 | 19.2 | 24.5 | 25.4 | 25.0 | 24.1 | 16.3 | 12.6 | 5.8 |
| 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 | 13.8 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| 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) | 8.6 | 10.1 | 10.3 | 10.5 | 10.7 | 10.1 | 9.0 | 9.2 | 9.5 | 10.3 | 9.1 | 8.8 |
| Precipitation (mm) | 4 | 0 | 60 | 10 | 62 | 72 | 295 | 148 | 152 | 22 | 10 | 9 |
| Sunny days | 28 | 28 | 20 | 25 | 24 | 18 | 1 | 4 | 7 | 26 | 26 | 28 |
| Rainy days | 3 | 0 | 11 | 5 | 7 | 12 | 30 | 27 | 23 | 5 | 4 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihār is at