London Monthly Temperature and Rainfall

I have been officially invited to visit UK and stay at London and has also applied for hassle free visa in UK and thought to get more information related to London and same is shared as below to enable you to avoid being caught unaware regarding the temperature and rainfall aspects.

London monthly temperature ranges (°C) 
London monthly temperature in January: 2-7
London monthly temperature in February: 2-8
London monthly temperature in March: 3.8-10
London monthly temperature in April: 6-13
London monthly temperature in May: 9-17
London monthly temperature in June: 12-20
London monthly temperature in July: 14-22
London monthly temperature in August: 13-22
London monthly temperature in September: 11-19
London monthly temperature in October: 9-15
London monthly temperature in November: 5-10
London monthly temperature in December: 3-8

London monthly average rainfall figures in inches(mm)
London Average Rainfall in January: 2.4(61)
London Average Rainfall in February: 1.4(36)
London Average Rainfall in March: 2.0(50)
London Average Rainfall in April: 1.7(42)
London Average Rainfall in May: 1.8(45)
London Average Rainfall in June: 1.8(45)
London Average Rainfall in July: 1.8(45)
London Average Rainfall in August: 1.7(44)
London Average Rainfall in September: 1.7(43)
London Average Rainfall in October: 2.9(73)
London Average Rainfall in November: 1.8(45)
London Average Rainfall in December: 2.3(59)

 One can assess Weekly weather forecast for London Here