London monthly weather averages

Contents

Average daytime temperature

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

London average temperature chart (Celsius) London average temperature chart (Fahrenheit)
Average monthly temperatures in London (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.9 -2 3.7 11.4 18.4 23.3 26.1 25 20.7 14.1 6.9 0
°F 26.7 28.3 38.6 52.5 65.2 74 78.9 77 69.3 57.3 44.5 32.1

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.

London monthly rainfall chart (mm) London monthly rainfall chart (inches)
Average monthly rainfall in London (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 74 60 76 79 74 86 78 94 82 72 92 97
inches 2.9 2.4 3 3.1 2.9 3.4 3.1 3.7 3.2 2.8 3.6 3.8
Rainy days 16 13 14 13 11 11 10 11 11 12 15 17

Average annual rainfall in London: 924.467mm (364 inches)

Average daily sunshine

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

London average daily sunshine chart
Average daily sunshine London
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.7 3.8 4.4 6.2 8.2 9.1 9.4 8.2 6 4.8 2.8 1.9

Day / night temperatures

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

London average minimum / maximum temperatures (Celsius) London average minimum / maximum temperatures (Fahrenheit)
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 -10.3 -10 -4.3 1.4 7.1 12 14.7 14 10.3 4.5 -0.1 -6.4
Max °C -2.8 -1.9 3.9 11.7 18.7 23.6 26.4 25.3 21 14.3 7.1 0.2
Min °F 13.6 14.1 24.4 34.4 44.8 53.6 58.4 57.1 50.5 40.1 31.8 20.5
Max °F 20.3 21.4 31.6 43.7 55.2 64 68.9 67.3 60.1 48.9 38.3 26.4

Sea temperature

The graph below shows the average sea temperature.

London average sea temperature chart (Celsius) London average sea temperature chart (Fahrenheit)
Average sea temperature around London in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.5 1.6 1.7 3.8 8.8 15.7 21.4 22.6 20.2 14.9 9.4 4.9
°F 36.6 34.9 35 38.8 47.8 60.3 70.6 72.7 68.3 58.7 49 40.9

Wind speed

The graph below shows the average wind speed.

London average winspeed by month (km/h) London average winspeed by month (mph)
Average wind speed in London (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 17 17 14 13 11 11 12 14 16 17
mph 11 11 11 11 9 8 7 7 7 9 10 11

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.

London relative humidity averages
Average relative humidity in London
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 79% 76% 71% 69% 72% 73% 76% 78% 78% 81% 82%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

London weather stats

London weather statistics
Hottest month: July 26.1°C 79°F
Driest month: February 60mm 2.4ins
Sunniest month: July 9.4hrs
Coldest month: January -2.9°C 26.8°F
Wettest month: December 97mm 3.8ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of London (42.98339, -81.23304) London map pin © Google

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