Holywood monthly weather averages

Contents

Average daytime temperature

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

Holywood average temperature chart (Celsius) Holywood average temperature chart (Fahrenheit)
Average monthly temperatures in Holywood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.9 6.8 8.8 11.1 13.9 16.7 18.2 18 15.9 13 9.2 7.6
°F 44.4 44.3 47.8 52 57 62.1 64.7 64.4 60.6 55.3 48.6 45.7

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.

Holywood monthly rainfall chart (mm) Holywood monthly rainfall chart (inches)
Average monthly rainfall in Holywood (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 98 69 74 58 62 64 57 84 88 97 90 88
inches 3.9 2.7 2.9 2.3 2.4 2.5 2.2 3.3 3.5 3.8 3.5 3.5
Rainy days 20 15 18 15 16 15 14 17 17 19 18 19

Average annual rainfall in Holywood: 976.933mm (384.6 inches)

Average daily sunshine

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

Holywood average daily sunshine chart
Average daily sunshine Holywood
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 2.8 3.7 5.6 6.6 6.5 5.7 5.3 4.2 3.3 2.5 1.6

Day / night temperatures

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

Holywood average minimum / maximum temperatures (Celsius) Holywood average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Holywood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2 1.9 2.7 4.1 6.4 9.1 10.9 10.9 9.4 7.3 4.1 2.9
Max °C 7 7 8.9 11.3 14.1 16.9 18.4 18.2 16.1 13.1 9.4 7.8
Min °F 35.6 35.3 36.9 39.4 43.4 48.4 51.5 51.5 48.8 45.1 39.3 37.1
Max °F 40.1 39.9 42.4 45.9 50.4 55.4 58.3 58.1 54.9 50.4 44.1 41.5

Sea temperature

The graph below shows the average sea temperature.

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

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

Holywood relative humidity averages
Average relative humidity in Holywood
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 88% 85% 84% 83% 83% 84% 86% 87% 89% 90% 90%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Holywood weather stats

Holywood weather statistics
Hottest month: July 18.2°C 64.8°F
Driest month: July 57mm 2.2ins
Sunniest month: May 6.6hrs
Coldest month: February 6.8°C 44.2°F
Wettest month: January 98mm 3.9ins
Warmest sea: August 14.9°C 58.8°F
Map showing location of Holywood (54.63863, -5.82473) Holywood map pin © Google

Locations nearby

Top United Kingdom locations