Cobh monthly weather averages

Average daytime temperature

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

Cobh average temperature chart (Celsius) Cobh average temperature chart (Fahrenheit)
Average monthly temperatures in Cobh (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.2 9.8 11.8 14.2 16.9 18.7 18.5 16.5 13.7 10.5 9
°F 46.8 46.7 49.7 53.3 57.6 62.5 65.7 65.3 61.7 56.7 50.8 48.3

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.

Cobh monthly rainfall chart (mm) Cobh monthly rainfall chart (inches)
Average monthly rainfall in Cobh (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 115 93 88 61 73 62 65 87 97 105 99 119
inches 4.5 3.6 3.5 2.4 2.9 2.4 2.6 3.4 3.8 4.1 3.9 4.7
Rainy days 21 18 18 15 17 15 14 17 17 19 19 20

Average annual rainfall in Cobh: 1106.967mm (435.8 inches)

Average daily sunshine

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

Cobh average daily sunshine chart
Average daily sunshine Cobh
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 2.6 3.9 5.7 6.6 6.2 5.9 5.5 4.5 3.2 2.5 1.9

Day / night temperatures

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

Cobh average minimum / maximum temperatures (Celsius) Cobh average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cobh (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.3 3.1 3.6 4.6 6.8 9.5 11.3 11.3 9.8 8 5 4.1
Max °C 8.4 8.3 10 12 14.4 17.1 18.9 18.7 16.7 13.9 10.6 9.2
Min °F 37.9 37.6 38.5 40.3 44.2 49.1 52.3 52.3 49.6 46.3 41 39.3
Max °F 42.4 42.3 44.2 46.9 51.1 55.9 59.2 59 55.8 51.6 46 43.9

Sea temperature

The graph below shows the average sea temperature.

Cobh average sea temperature chart (Celsius) Cobh average sea temperature chart (Fahrenheit)
Average sea temperature around Cobh in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.3 9.7 9.6 10.2 11.7 14.1 16.1 16.8 15.8 14.1 12.2 11
°F 50.5 49.5 49.3 50.3 53.1 57.4 61.1 62.2 60.5 57.4 54 51.7

Wind speed

The graph below shows the average wind speed.

Cobh average winspeed by month (km/h) Cobh average winspeed by month (mph)
Average wind speed in Cobh (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 24 23 22 19 19 17 16 17 18 21 21 23
mph 15 14 14 12 12 11 10 11 11 13 13 14

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.

Cobh relative humidity averages
Average relative humidity in Cobh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 88% 84% 81% 81% 82% 82% 84% 86% 89% 90% 92%

Other monthly averages

UV index Best time to go?

Cobh weather stats

Cobh weather statistics
Hottest month: July 18.7°C 65.7°F
Driest month: April 61mm 2.4ins
Sunniest month: May 6.6hrs
Coldest month: February 8.2°C 46.8°F
Wettest month: December 119mm 4.7ins
Warmest sea: August 16.8°C 62.2°F
Map showing location of Cobh (51.85722, -8.29917) Cobh map pin © Google

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