<P> Uttar Pradesh has a humid subtropical climate and experiences four seasons . The winter in January and February is followed by summer between March and May and the monsoon season between June and September . Summers are extreme with temperatures fluctuating anywhere between 0 ° C and 50 ° C in parts of the state coupled with dry hot winds called the Loo . The Gangetic plain varies from semiarid to sub-humid . The mean annual rainfall ranges from 650 mm in the southwest corner of the state to 1000 mm in the eastern and southeastern parts of the state . Primarily a summer phenomenon, the Bay of Bengal branch of the Indian monsoon is the major bearer of rain in most parts of state . After summer it is the south - west monsoon which brings most of the rain here, while in winters rain due to the western disturbances and north - east monsoon also contribute small quantities towards the overall precipitation of the state . </P> <Table> <Tr> <Th_colspan="14"> (hide) Climate data for Uttar Pradesh </Th> </Tr> <Tr> <Th> Month </Th> <Th> Jan </Th> <Th> Feb </Th> <Th> Mar </Th> <Th> Apr </Th> <Th> May </Th> <Th> Jun </Th> <Th> Jul </Th> <Th> Aug </Th> <Th> Sep </Th> <Th> Oct </Th> <Th> Nov </Th> <Th> Dec </Th> <Th> Year </Th> </Tr> <Tr> <Th> Average high ° C (° F) </Th> <Td> 29.9 (85.8) </Td> <Td> 31.9 (89.4) </Td> <Td> 35.4 (95.7) </Td> <Td> 37.7 (99.9) </Td> <Td> 36.9 (98.4) </Td> <Td> 31.7 (89.1) </Td> <Td> 28.4 (83.1) </Td> <Td> 27.4 (81.3) </Td> <Td> 29.4 (84.9) </Td> <Td> 31.4 (88.5) </Td> <Td> 30.1 (86.2) </Td> <Td> 28.9 (84) </Td> <Td> 31.59 (88.86) </Td> </Tr> <Tr> <Th> Average low ° C (° F) </Th> <Td> 11.0 (51.8) </Td> <Td> 12.1 (53.8) </Td> <Td> 15.8 (60.4) </Td> <Td> 19.9 (67.8) </Td> <Td> 22.4 (72.3) </Td> <Td> 22.9 (73.2) </Td> <Td> 22.2 (72) </Td> <Td> 21.6 (70.9) </Td> <Td> 20.8 (69.4) </Td> <Td> 18.5 (65.3) </Td> <Td> 14.4 (57.9) </Td> <Td> 11.5 (52.7) </Td> <Td> 17.76 (63.96) </Td> </Tr> <Tr> <Th> Average precipitation mm (inches) </Th> <Td> 0 (0) </Td> <Td> (0.12) </Td> <Td> (0.08) </Td> <Td> 11 (0.43) </Td> <Td> 40 (1.57) </Td> <Td> 138 (5.43) </Td> <Td> 163 (6.42) </Td> <Td> 129 (5.08) </Td> <Td> 155 (6.1) </Td> <Td> 68 (2.68) </Td> <Td> 28 (1.1) </Td> <Td> (0.16) </Td> <Td> 741 (29.17) </Td> </Tr> <Tr> <Th> Average precipitation days </Th> <Td> 0.1 </Td> <Td> 0.3 </Td> <Td> 0.3 </Td> <Td> 1.1 </Td> <Td> 3.3 </Td> <Td> 10.9 </Td> <Td> 17.0 </Td> <Td> 16.2 </Td> <Td> 10.9 </Td> <Td> 5.0 </Td> <Td> 2.4 </Td> <Td> 0.3 </Td> <Td> 67.8 </Td> </Tr> <Tr> <Th> Mean monthly sunshine hours </Th> <Td> 291.4 </Td> <Td> 282.8 </Td> <Td> 300.7 </Td> <Td> 303.0 </Td> <Td> 316.2 </Td> <Td> 186.0 </Td> <Td> 120.9 </Td> <Td> 111.6 </Td> <Td> 177.0 </Td> <Td> 248.44 </Td> <Td> 270.0 </Td> <Td> 288.3 </Td> <Td> 2,896.34 </Td> </Tr> <Tr> <Td_colspan="14"> Source: </Td> </Tr> </Table> <Tr> <Th_colspan="14"> (hide) Climate data for Uttar Pradesh </Th> </Tr> <Tr> <Th> Month </Th> <Th> Jan </Th> <Th> Feb </Th> <Th> Mar </Th> <Th> Apr </Th> <Th> May </Th> <Th> Jun </Th> <Th> Jul </Th> <Th> Aug </Th> <Th> Sep </Th> <Th> Oct </Th> <Th> Nov </Th> <Th> Dec </Th> <Th> Year </Th> </Tr>

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