Average annual temperature is 25.0 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 4.8 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Bihārganj
* Weather data for Bihārganj 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) | 28.5 | 32.5 | 34.5 | 40.3 | 42.0 | 42.2 | 34.5 | 32.8 | 34.2 | 34.4 | 30.8 | 26.7 |
| Average daytime temperature (°C) | 23.2 | 27.7 | 31.0 | 35.3 | 37.7 | 37.7 | 32.5 | 30.8 | 31.4 | 31.1 | 27.6 | 22.8 |
| Average temperature (°C) | 15.8 | 20.1 | 24.2 | 28.3 | 31.0 | 32.6 | 28.9 | 27.5 | 27.3 | 25.5 | 21.7 | 17.2 |
| Average night temperature (°C) | 9.6 | 12.9 | 18.0 | 21.3 | 23.9 | 27.6 | 25.9 | 25.0 | 24.3 | 20.3 | 16.5 | 12.6 |
| Absolute minimum temperature (°C) | 4.8 | 8.5 | 15.8 | 17.5 | 18.7 | 24.4 | 24.2 | 23.7 | 22.6 | 17.0 | 13.6 | 8.8 |
| 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) | 9.5 | 10.3 | 10.5 | 10.4 | 10.8 | 10.5 | 10.8 | 9.0 | 9.7 | 10.4 | 9.1 | 7.9 |
| Precipitation (mm) | 0 | 0 | 39 | 2 | 33 | 162 | 186 | 273 | 183 | 21 | 17 | 98 |
| Sunny days | 30 | 28 | 20 | 23 | 20 | 16 | 1 | 1 | 2 | 23 | 28 | 25 |
| Rainy days | 1 | 0 | 11 | 7 | 11 | 14 | 30 | 30 | 28 | 8 | 2 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bihārganj is at