Greenwich monthly weather averages

  • Average temperature

    The bar chart below shows the average monthly temperatures at Greenwich

    Greenwich average temperature chart
    Average monthly temperatures in Greenwich
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 22.5 22.6 21.4 18.9 15.8 13.3 12.4 13.4 15.6 18 19.7 21.7
    °F 72.5 72.7 70.5 66 60.4 55.9 54.3 56.1 60.1 64.4 67.5 71.1

    Please note: these are the average temperatures taken over a 24 hour period so do not show daytime / night highs and lows. For more accurate daytime temperatures have a look at the temperature max / min chart below.

  • Average daily sunshine

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

    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 7.9 7.9 7.9 8.2 8.3
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Greenwich
      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
  • Average rainfall & rainy days

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

    Average monthly rainfall in Greenwich
      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
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Greenwich
      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.

    Average wind speed in Greenwich
      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 rainfall.

    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

Greenwich weather stats

Greenwich weather statistics
Hottest month: February 22.6°C
Driest month: September 62mm
Sunniest month: August 7.9hrs
Coldest month: July 12.4°C
Wettest month: March 153mm
Warmest sea: February 24.2°C
Map showing location of Greenwich (-33.84056, 151.18306)

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