Cairnryan monthly weather averages

Contents

Average daytime temperature

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

Cairnryan average temperature chart (Celsius) Cairnryan average temperature chart (Fahrenheit)
Average monthly temperatures in Cairnryan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.3 6.2 7.8 10.3 13.2 15.9 17 16.9 14.9 12.4 8.8 7.1
°F 43.3 43.1 46 50.5 55.8 60.7 62.7 62.4 58.8 54.4 47.8 44.8

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.

Cairnryan monthly rainfall chart (mm) Cairnryan monthly rainfall chart (inches)
Average monthly rainfall in Cairnryan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 128 81 96 70 67 73 77 103 125 135 128 124
inches 5 3.2 3.8 2.7 2.6 2.9 3 4.1 4.9 5.3 5 4.9
Rainy days 20 16 19 15 16 16 16 18 19 20 20 21

Average annual rainfall in Cairnryan: 1254.734mm (494 inches)

Average daily sunshine

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

Cairnryan average daily sunshine chart
Average daily sunshine Cairnryan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.9 3.7 5.9 6.9 7.2 6 5.7 4.2 3.1 2.3 1.6

Day / night temperatures

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

Cairnryan average minimum / maximum temperatures (Celsius) Cairnryan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cairnryan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.8 1.5 2.3 3.8 6.2 8.9 10.6 10.6 9.2 7.3 3.9 2.6
Max °C 6.4 6.3 7.9 10.5 13.4 16.1 17.2 17.1 15.1 12.6 8.9 7.2
Min °F 35.2 34.7 36.1 38.8 43.2 48 51.1 51 48.5 45.1 39 36.7
Max °F 39.4 39 41.2 44.8 49.6 54.5 57 56.8 53.8 49.8 43.5 40.8

Sea temperature

The graph below shows the average sea temperature.

Cairnryan average sea temperature chart (Celsius) Cairnryan average sea temperature chart (Fahrenheit)
Average sea temperature around Cairnryan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.3 7.2 7.1 8.1 10 12.2 14 14.9 14.7 13.7 12 10.1
°F 47 45 44.8 46.6 49.9 53.9 57.2 58.8 58.5 56.7 53.6 50.2

Wind speed

The graph below shows the average wind speed.

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

Cairnryan relative humidity averages
Average relative humidity in Cairnryan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 87% 84% 83% 84% 86% 87% 89% 89% 89% 90%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Cairnryan weather stats

Cairnryan weather statistics
Hottest month: July 17°C 62.6°F
Driest month: May 67mm 2.6ins
Sunniest month: May 6.9hrs
Coldest month: February 6.2°C 43.2°F
Wettest month: October 135mm 5.3ins
Warmest sea: August 14.9°C 58.8°F
Map showing location of Cairnryan (54.97104, -5.01982) Cairnryan map pin © Google

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