Greenock monthly weather averages

  • Average daytime temperature

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

    Greenock average temperature chart
    Average monthly temperatures in Greenock (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 4.8 4.9 6.8 9.7 13 15.8 16.9 16.6 14.1 11.2 7.3 5.7
    °F 40.7 40.8 44.2 49.4 55.4 60.4 62.5 61.9 57.3 52.2 45.2 42.3

    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 Greenock (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 227 152 181 107 119 114 129 166 219 232 215 220
    inches 8.9 6 7.1 4.2 4.7 4.5 5.1 6.5 8.6 9.1 8.4 8.7
    Rainy days 22 17 21 17 18 17 18 19 21 22 21 22
  • Average daily sunshine

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

    Average daily sunshine Greenock
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 1.3 2.5 3.3 5.3 6.2 6.3 5.6 5 3.8 2.7 1.9 1.2
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Greenock (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 0.5 0.2 1.3 2.8 5.4 8.3 9.9 9.9 8.2 6.3 2.6 1.4
    Max °C 5 5 6.9 9.9 13.2 16 17.1 16.8 14.2 11.4 7.5 5.9
    Min °F 32.8 32.4 34.3 37 41.7 46.9 49.8 49.7 46.8 43.3 36.6 34.4
    Max °F 36.9 36.7 39.4 43.3 48.7 53.8 56.3 55.9 52.2 47.8 41 38.5
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Greenock in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 8.1 6.9 6.8 7.8 9.8 12 13.8 14.7 14.5 13.6 11.9 9.9
    °F 46.5 44.4 44.2 46.1 49.6 53.6 56.9 58.4 58.1 56.4 53.4 49.8
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Greenock (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 19 18 20 17 17 16 16 15 17 18 19 19
    mph 12 11 12 11 10 10 10 9 11 11 12 12

    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 Greenock
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    92% 88% 85% 81% 79% 81% 83% 84% 87% 89% 90% 91%

Other monthly averages

Greenock weather stats

Greenock weather statistics
Hottest month: July 16.9°C 62.4°F
Driest month: April 107mm 4.2ins
Sunniest month: May 6.2hrs
Coldest month: February 4.9°C 40.8°F
Wettest month: October 232mm 9.1ins
Warmest sea: August 14.7°C 58.5°F
Map showing location of Greenock (55.94838, -4.76121)

Locations nearby

Top United Kingdom locations

Change units