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Patna Geography And Climate

Topography

Patna is located on the south bank of the Ganges River. A characteristic of the geography of Patna is its confluence of rivers. The Ganges River is the largest. It is joined by four other rivers: Ghaghara, Gandak, Punpun and Sone. Patna is unique in having four large rivers in its vicinity. It is the largest riverine city in the world.[citation needed] The bridge over the river Ganges named Mahatma Gandhi Setu is 5575m long and is the longest river bridge in the India.

Climate

Patna has a humid subtropical climate with hot summers from late March to early June, the monsoon season from late June to late September and a mild winter from November to February. Highest temperature ever recorded is 46.6 °C(In,1966), lowest ever is 1.1 °C(On January 9, 2013) and highest rainfall was 204.5 mm(In,1997). The table below details historical monthly averages for climate variables. Wikipedia

Climate data for Patna

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Year

Average high °C (°F)

23.3
(73.9)

26.5
(79.7)

32.6
(90.7)

37.7
(99.9)

38.9
(102.0)

36.7
(98.1)

33.0
(91.4)

32.4
(90.3)

32.3
(90.1)

31.5
(88.7)

28.8
(83.8)

24.7
(76.5)

31.53
(88.75)

Average low °C (°F)

9.2
(48.6)

11.6
(52.9)

16.4
(61.5)

22.3
(72.1)

25.2
(77.4)

26.7
(80.1)

26.2
(79.2)

26.1
(79.0)

25.7
(78.3)

21.8
(71.2)

14.7
(58.5)

9.9
(49.8)

19.65
(67.37)

Precipitation mm (inches)

19
(0.75)

11
(0.43)

11
(0.43)

8
(0.31)

33
(1.3)

134
(5.28)

306
(12.05)

274
(10.79)

227
(8.94)

94
(3.7)

9
(0.35)

4
(0.16)

1,130
(44.49)