London monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at London

    London average temperature chart
    Average monthly temperatures in London (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 6.8 7.2 9.8 12.6 16.4 19.7 21.7 21.4 18.7 14.9 10 7.7
    °F 44.2 44.9 49.7 54.6 61.6 67.4 71.1 70.5 65.6 58.8 49.9 45.9

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in London (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 55 38 49 47 52 52 49 56 55 58 59 59
    inches 2.2 1.5 1.9 1.9 2 2.1 1.9 2.2 2.2 2.3 2.3 2.3
    Rainy days 16 12 14 14 13 11 10 11 11 13 15 14
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in London

    Average daily sunshine London
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 1.9 2.7 3.8 5.2 6.6 7 6.6 6.5 5.2 3.9 2.5 1.7
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in London (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 1.7 1.7 3 4.7 7.8 10.7 12.9 12.6 10.6 8.2 4.3 2.6
    Max °C 6.9 7.3 10 12.8 16.7 19.9 22 21.6 18.9 15.1 10.1 7.9
    Min °F 35.1 35.1 37.4 40.4 46 51.3 55.1 54.7 51 46.7 39.7 36.6
    Max °F 39.7 40.1 43.7 47.7 54 59.5 63.3 62.8 58.5 52.9 45 41.4
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around London in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 8.9 7.9 7.9 9.1 11 13.3 15.5 17 17 15.6 13.2 10.7
    °F 48 46.2 46.2 48.4 51.8 55.9 59.9 62.6 62.6 60 55.7 51.3
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in London (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 17 17 17 16 15 14 13 13 13 13 16 16
    mph 10 10 10 10 9 9 8 8 8 8 10 10

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in London
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    88% 85% 80% 77% 75% 74% 74% 76% 80% 85% 88% 90%
London

Other monthly averages

London weather stats

London weather statistics
Hottest month: July 21.7°C 71.1°F
Driest month: February 38mm 1.5ins
Sunniest month: August 6.5hrs
Coldest month: January 6.8°C 44.2°F
Wettest month: December 59mm 2.3ins
Warmest sea: August 17°C 62.6°F
Map showing location of London (51.50853, -0.12574)

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