Average annual temperature is 25.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 8.2 °C
Number of sunny days: 237 days
Number of rainy days: 128 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) | 28.4 | 32.5 | 34.5 | 37.6 | 40.5 | 38.7 | 32.9 | 31.3 | 34.4 | 35.3 | 34.3 | 29.4 |
| Average daytime temperature (°C) | 24.6 | 29.7 | 31.9 | 35.0 | 37.3 | 34.5 | 30.1 | 29.5 | 30.5 | 33.8 | 31.0 | 27.0 |
| Average temperature (°C) | 17.4 | 21.1 | 25.0 | 28.4 | 30.9 | 29.8 | 26.6 | 26.1 | 26.5 | 27.1 | 24.2 | 20.6 |
| Average night temperature (°C) | 11.6 | 13.5 | 18.3 | 21.7 | 24.7 | 25.7 | 24.4 | 23.5 | 23.4 | 20.9 | 18.3 | 15.7 |
| Absolute minimum temperature (°C) | 8.2 | 11.0 | 15.6 | 19.2 | 21.2 | 23.6 | 23.2 | 21.5 | 19.7 | 17.9 | 15.8 | 13.1 |
| 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 | 11.0 | 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) | 9.9 | 10.5 | 10.6 | 11.5 | 11.9 | 9.0 | 6.0 | 8.7 | 8.4 | 10.6 | 9.8 | 9.6 |
| Precipitation (mm) | 14 | 0 | 7 | 0 | 3 | 185 | 486 | 92 | 358 | 1 | 47 | 17 |
| Sunny days | 28 | 28 | 26 | 29 | 26 | 9 | 0 | 0 | 9 | 29 | 26 | 27 |
| Rainy days | 3 | 0 | 5 | 1 | 5 | 21 | 31 | 31 | 21 | 2 | 4 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihār is at