Patna has a humid subtropical climate under the Köppen climate classification: (Cwa) with extremely hot summers from late March to early June, the monsoon season from late June to late September and chilly winter nights and foggy or sunny days from October to February. Highest temperature ever recorded was 46.6 °C (115.9 °F) in the year 1966, the lowest ever was 1.1 °C (34 °F) on 9 January 2013, and highest rainfall was 204.5 mm (8.05 in) in the year 1997.
The table below details historical monthly averages for climate variables.
Average Temperature
Humidity
Rain
Clouds
Air quality US AQI
Sun