Portbail monthly weather averages

Average daytime temperature

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

Portbail average temperature chart (Celsius) Portbail average temperature chart (Fahrenheit)
Average monthly temperatures in Portbail (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 7.9 9.8 11.8 15 17.6 19.7 19.8 18.4 15.1 11.3 9
°F 46.2 46.2 49.6 53.2 59 63.7 67.5 67.6 65.1 59.1 52.3 48.2

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.

Portbail monthly rainfall chart (mm) Portbail monthly rainfall chart (inches)
Average monthly rainfall in Portbail (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 100 77 75 56 59 49 45 54 79 96 116 110
inches 3.9 3 3 2.2 2.3 1.9 1.8 2.1 3.1 3.8 4.6 4.3
Rainy days 19 15 16 13 13 11 10 11 13 15 18 18

Average daily sunshine

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

Portbail average daily sunshine chart
Average daily sunshine Portbail
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.3 3.4 4.8 6.7 8 8.6 8.8 8 6.3 4.4 2.9 2.2

Day / night temperatures

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

Portbail average minimum / maximum temperatures (Celsius) Portbail average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Portbail (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.8 3.4 4.5 5.9 8.7 11.1 13.1 13.5 12.5 10 6.8 4.9
Max °C 8 8 9.9 11.9 15.2 17.8 19.9 20 18.6 15.2 11.4 9.1
Min °F 38.8 38.1 40.1 42.6 47.6 51.9 55.6 56.2 54.4 50 44.2 40.8
Max °F 42.6 42.3 45 48 53.4 57.9 61.7 62.1 59.9 54.7 48.4 44.6

Sea temperature

The graph below shows the average sea temperature.

Portbail average sea temperature chart (Celsius) Portbail average sea temperature chart (Fahrenheit)
Average sea temperature around Portbail in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.7 8.6 8.6 9.6 11.5 13.9 16 17.2 16.9 15.7 13.6 11.4
°F 49.5 47.5 47.4 49.3 52.7 57 60.7 62.9 62.5 60.2 56.5 52.6

Wind speed

The graph below shows the average wind speed.

Portbail average winspeed by month (km/h) Portbail average winspeed by month (mph)
Average wind speed in Portbail (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 20 20 19 18 16 16 16 17 17 19 21
mph 13 13 12 12 11 10 10 10 10 11 12 13

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.

Portbail relative humidity averages
Average relative humidity in Portbail
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
87% 85% 82% 79% 78% 78% 79% 80% 81% 84% 84% 85%

Other monthly averages

UV index Best time to go?

Portbail weather stats

Portbail weather statistics
Hottest month: August 19.8°C 67.6°F
Driest month: July 45mm 1.8ins
Sunniest month: August 8hrs
Coldest month: February 7.9°C 46.2°F
Wettest month: November 116mm 4.6ins
Warmest sea: August 17.2°C 63°F
Map showing location of Portbail (49.33571, -1.6956)

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