Coleraine monthly weather averages

Contents

Average daytime temperature

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

Coleraine average temperature chart (Celsius) Coleraine average temperature chart (Fahrenheit)
Average monthly temperatures in Coleraine (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.2 6.3 8.2 10.6 13.3 16 17.1 17.1 15 12.4 8.6 7
°F 43.2 43.4 46.8 51 55.9 60.7 62.7 62.7 59.1 54.2 47.4 44.6

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.

Coleraine monthly rainfall chart (mm) Coleraine monthly rainfall chart (inches)
Average monthly rainfall in Coleraine (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 128 90 99 69 77 73 79 96 109 128 117 119
inches 5 3.5 3.9 2.7 3 2.9 3.1 3.8 4.3 5 4.6 4.7
Rainy days 23 18 21 17 17 17 18 20 21 22 22 22

Average annual rainfall in Coleraine: 1230.233mm (484.3 inches)

Average daily sunshine

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

Coleraine average daily sunshine chart
Average daily sunshine Coleraine
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.5 2.5 3.3 5.3 6.1 5.7 4.6 4.5 3.7 2.8 2 1.2

Day / night temperatures

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

Coleraine average minimum / maximum temperatures (Celsius) Coleraine average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Coleraine (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.9 0.8 1.9 3.1 5.3 8.1 10 9.8 8.2 6.3 2.9 1.9
Max °C 6.4 6.5 8.4 10.8 13.5 16.2 17.3 17.3 15.2 12.5 8.7 7.2
Min °F 33.5 33.4 35.3 37.5 41.5 46.5 49.9 49.6 46.8 43.3 37.2 35.3
Max °F 38.5 38.5 41.2 44.4 48.9 53.8 56.5 56.3 53.1 48.9 42.4 40.1

Sea temperature

The graph below shows the average sea temperature.

Coleraine average sea temperature chart (Celsius) Coleraine average sea temperature chart (Fahrenheit)
Average sea temperature around Coleraine 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.

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

Coleraine relative humidity averages
Average relative humidity in Coleraine
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 87% 85% 84% 85% 87% 88% 90% 91% 91% 92%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Coleraine weather stats

Coleraine weather statistics
Hottest month: July 17.1°C 62.8°F
Driest month: April 69mm 2.7ins
Sunniest month: May 6.1hrs
Coldest month: January 6.2°C 43.2°F
Wettest month: January 128mm 5ins
Warmest sea: August 14.3°C 57.7°F
Map showing location of Coleraine (55.13333, -6.66667) Coleraine map pin © Google

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