Greenwich monthly weather averages

Contents

Average daytime temperature

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

Greenwich average temperature chart (Celsius) Greenwich average temperature chart (Fahrenheit)
Average monthly temperatures in Greenwich (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.9 26 25 22.9 19.9 17.3 16.9 17.9 20.1 22.1 23.6 25.4
°F 78.7 78.8 76.9 73.1 67.9 63.2 62.4 64.3 68.2 71.8 74.4 77.7

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.

Greenwich monthly rainfall chart (mm) Greenwich monthly rainfall chart (inches)
Average monthly rainfall in Greenwich (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 124 142 153 118 108 151 77 96 62 91 102 86
inches 4.9 5.6 6 4.7 4.3 5.9 3 3.8 2.4 3.6 4 3.4
Rainy days 12 12 13 11 11 11 8 10 10 11 12 10

Average annual rainfall in Greenwich: 1426.233mm (561.5 inches)

Average daily sunshine

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

Greenwich average daily sunshine chart
Average daily sunshine Greenwich
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 7.4 7 6.9 6.3 6.3 7.1 7.8 7.9 7.9 8.2 8.3

Day / night temperatures

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

Greenwich average minimum / maximum temperatures (Celsius) Greenwich average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Greenwich (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.9 19.1 17.7 14.8 11.5 9.1 7.7 8.7 10.9 13.7 15.7 17.8
Max °C 26.1 26.2 25.2 23.1 20.2 17.6 17.1 18.2 20.4 22.3 23.8 25.6
Min °F 66 66.3 63.8 58.6 52.6 48.3 45.9 47.6 51.5 56.7 60.2 64
Max °F 72.5 72.7 70.5 66 60.4 55.9 54.3 56.1 60.1 64.4 67.5 71.1

Sea temperature

The graph below shows the average sea temperature.

Greenwich average sea temperature chart (Celsius) Greenwich average sea temperature chart (Fahrenheit)
Average sea temperature around Greenwich in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.8 24.2 23.9 23.1 21.6 20 18.9 18.8 19 19.7 20.7 22.4
°F 74.8 75.5 75.1 73.6 70.9 68 66.1 65.8 66.3 67.4 69.3 72.3

Wind speed

The graph below shows the average wind speed.

Greenwich average winspeed by month (km/h) Greenwich average winspeed by month (mph)
Average wind speed in Greenwich (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 14 13 12 12 13 14 15 16 16 16 16
mph 9 9 8 8 7 8 9 9 10 10 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.

Greenwich relative humidity averages
Average relative humidity in Greenwich
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 67% 67% 65% 66% 66% 60% 58% 55% 57% 61% 61%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Greenwich weather stats

Greenwich weather statistics
Hottest month: February 26°C 78.8°F
Driest month: September 62mm 2.4ins
Sunniest month: August 7.8hrs
Coldest month: July 16.9°C 62.4°F
Wettest month: March 153mm 6ins
Warmest sea: February 24.2°C 75.6°F
Map showing location of Greenwich (-33.84056, 151.18306) Greenwich map pin © Google

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