Ballycastle monthly weather averages

Contents

Average daytime temperature

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

Ballycastle average temperature chart (Celsius) Ballycastle average temperature chart (Fahrenheit)
Average monthly temperatures in Ballycastle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.4 6.4 7.9 10.1 12.9 15.4 16.6 16.6 14.8 12.3 8.7 7.3
°F 43.6 43.5 46.2 50.2 55.3 59.7 61.9 61.9 58.6 54.1 47.6 45.1

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.

Ballycastle monthly rainfall chart (mm) Ballycastle monthly rainfall chart (inches)
Average monthly rainfall in Ballycastle (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 120 79 93 68 64 72 80 98 113 128 121 118
inches 4.7 3.1 3.7 2.7 2.5 2.8 3.1 3.9 4.5 5 4.8 4.6
Rainy days 22 17 20 16 17 17 18 19 20 22 21 22

Average annual rainfall in Ballycastle: 1202.6mm (473.5 inches)

Average daily sunshine

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

Ballycastle average daily sunshine chart
Average daily sunshine Ballycastle
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.5 2.6 3.3 5.5 6.5 6.1 4.9 4.8 3.8 2.9 2 1.2

Day / night temperatures

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

Ballycastle average minimum / maximum temperatures (Celsius) Ballycastle average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ballycastle (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 1.3 2.2 3.4 5.7 8.3 10.1 10.1 8.7 6.8 3.4 2.4
Max °C 6.6 6.5 8.1 10.3 13.1 15.6 16.8 16.8 15 12.4 8.8 7.4
Min °F 34.6 34.3 35.9 38 42.3 46.9 50.1 50.1 47.6 44.2 38.1 36.3
Max °F 39.2 39 41.2 44.2 48.9 53.4 56.1 56.1 53.2 49.3 43 40.8

Sea temperature

The graph below shows the average sea temperature.

Ballycastle average sea temperature chart (Celsius) Ballycastle average sea temperature chart (Fahrenheit)
Average sea temperature around Ballycastle in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.7 7.9 7.8 8.5 10 11.9 13.5 14.3 14 13 11.6 10.1
°F 47.7 46.2 46.1 47.4 50 53.5 56.3 57.8 57.2 55.4 52.8 50.1

Wind speed

The graph below shows the average wind speed.

Ballycastle average winspeed by month (km/h) Ballycastle average winspeed by month (mph)
Average wind speed in Ballycastle (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 27 26 26 21 20 19 19 19 22 24 25 26
mph 17 16 16 13 13 12 12 12 14 15 15 16

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.

Ballycastle relative humidity averages
Average relative humidity in Ballycastle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 87% 86% 84% 83% 84% 88% 89% 90% 90% 90% 92%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ballycastle weather stats

Ballycastle weather statistics
Hottest month: July 16.6°C 61.9°F
Driest month: May 64mm 2.5ins
Sunniest month: May 6.5hrs
Coldest month: February 6.4°C 43.5°F
Wettest month: October 128mm 5ins
Warmest sea: August 14.3°C 57.7°F
Map showing location of Ballycastle (55.20444, -6.24298) Ballycastle map pin © Google

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