Click on a day for an hourly weather forecast
The weather in Bihar in October is very hot. The average temperatures are between 24°C and 33°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Bihar during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bihar in October 2025.
If you’re planning to visit Bihar in the near future, we highly recommend that you review the 14 day weather forecast for Bihar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 25° / 14° | 1 | 31 | 0 | 10 mm | Perfect | Bihar in January |
| February | 29° / 16° | 1 | 28 | 0 | 11 mm | Good | Bihar in February |
| March | 36° / 22° | 1 | 30 | 0 | 9 mm | Ok | Bihar in March |
| April | 41° / 28° | 1 | 29 | 0 | 17 mm | Awful | Bihar in April |
| May | 42° / 30° | 3 | 28 | 0 | 52 mm | Awful | Bihar in May |
| June | 41° / 32° | 5 | 25 | 0 | 133 mm | Awful | Bihar in June |
| July | 36° / 29° | 13 | 18 | 0 | 389 mm | Bad | Bihar in July |
| August | 35° / 28° | 13 | 18 | 0 | 301 mm | Bad | Bihar in August |
| September | 34° / 27° | 11 | 19 | 0 | 273 mm | Bad | Bihar in September |
| October | 33° / 24° | 3 | 28 | 0 | 97 mm | Good | Bihar in October |
| November | 31° / 21° | 0 | 30 | 0 | 3 mm | Good | Bihar in November |
| December | 27° / 16° | 0 | 31 | 0 | 3 mm | Perfect | Bihar in December |