<P> Temperature extremes range from 37.7 ° C (99.9 ° F) in August 2003, down to − 16.1 ° C (3.0 ° F) in January 1962 . </P> <Table> <Tr> <Th_colspan="14"> (hide) Climate data for Northolt, 38m asl, 1981 - 2010 </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> 7.9 (46.2) </Td> <Td> 8.3 (46.9) </Td> <Td> 11.3 (52.3) </Td> <Td> 14.1 (57.4) </Td> <Td> 17.7 (63.9) </Td> <Td> 20.8 (69.4) </Td> <Td> 23.2 (73.8) </Td> <Td> 22.9 (73.2) </Td> <Td> 19.7 (67.5) </Td> <Td> 15.4 (59.7) </Td> <Td> 11.0 (51.8) </Td> <Td> 8.2 (46.8) </Td> <Td> 15.04 (59.08) </Td> </Tr> <Tr> <Th> Average low ° C (° F) </Th> <Td> 1.7 (35.1) </Td> <Td> 1.5 (34.7) </Td> <Td> 3.4 (38.1) </Td> <Td> 4.8 (40.6) </Td> <Td> 8.0 (46.4) </Td> <Td> 10.9 (51.6) </Td> <Td> 13.2 (55.8) </Td> <Td> 12.9 (55.2) </Td> <Td> 10.5 (50.9) </Td> <Td> 7.6 (45.7) </Td> <Td> 4.1 (39.4) </Td> <Td> 2.1 (35.8) </Td> <Td> 6.72 (44.11) </Td> </Tr> <Tr> <Th> Average precipitation mm (inches) </Th> <Td> 58.2 (2.291) </Td> <Td> 43.2 (1.701) </Td> <Td> 45.5 (1.791) </Td> <Td> 45.8 (1.803) </Td> <Td> 56.0 (2.205) </Td> <Td> 47.5 (1.87) </Td> <Td> 45.3 (1.783) </Td> <Td> 51.3 (2.02) </Td> <Td> 50.6 (1.992) </Td> <Td> 72.2 (2.843) </Td> <Td> 64.9 (2.555) </Td> <Td> 59.0 (2.323) </Td> <Td> 639.5 (25.177) </Td> </Tr> <Tr> <Td_colspan="14"> Source: Met Office </Td> </Tr> </Table> <Tr> <Th_colspan="14"> (hide) Climate data for Northolt, 38m asl, 1981 - 2010 </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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