The bar chart below shows the average monthly peak daytime temperatures at Portrush
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.6 | 6.7 | 8.4 | 10.6 | 13.2 | 15.8 | 16.9 | 16.9 | 15.1 | 12.6 | 9 | 7.5 |
°F | 43.9 | 44.1 | 47 | 51 | 55.8 | 60.4 | 62.4 | 62.4 | 59.2 | 54.7 | 48.1 | 45.5 |
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.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 118 | 80 | 91 | 65 | 66 | 70 | 77 | 92 | 107 | 124 | 115 | 113 |
inches | 4.7 | 3.1 | 3.6 | 2.5 | 2.6 | 2.8 | 3 | 3.6 | 4.2 | 4.9 | 4.5 | 4.4 |
Rainy days | 22 | 17 | 20 | 16 | 17 | 17 | 18 | 20 | 20 | 22 | 22 | 22 |
Average annual rainfall in Portrush: 1166.267mm (459.2 inches)
The bar chart below shows the average daily sunshine hours in Portrush
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 1.5 | 2.5 | 3.3 | 5.4 | 6.3 | 5.9 | 4.7 | 4.6 | 3.7 | 2.8 | 1.9 | 1.2 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 1.5 | 1.4 | 2.3 | 3.7 | 5.8 | 8.5 | 10.4 | 10.2 | 8.8 | 6.9 | 3.5 | 2.4 |
Max °C | 6.8 | 6.9 | 8.5 | 10.8 | 13.4 | 16 | 17.1 | 17.1 | 15.3 | 12.8 | 9.1 | 7.6 |
Min °F | 34.6 | 34.4 | 36.1 | 38.6 | 42.4 | 47.2 | 50.6 | 50.3 | 47.8 | 44.3 | 38.3 | 36.3 |
Max °F | 39.4 | 39.4 | 41.7 | 45 | 49.3 | 54 | 56.7 | 56.5 | 53.6 | 49.6 | 43.3 | 41 |
The graph below shows the average sea temperature.
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 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 28 | 27 | 26 | 22 | 21 | 19 | 19 | 19 | 22 | 25 | 26 | 27 |
mph | 17 | 17 | 16 | 14 | 13 | 12 | 12 | 12 | 14 | 16 | 16 | 17 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
90% | 87% | 86% | 84% | 84% | 85% | 87% | 88% | 89% | 90% | 90% | 91% |
Hottest month: | July | 16.9°C 62.4°F |
---|---|---|
Driest month: | April | 65mm 2.6ins |
Sunniest month: | May | 6.3hrs |
Coldest month: | January | 6.6°C 43.9°F |
Wettest month: | October | 124mm 4.9ins |
Warmest sea: | August | 14.3°C 57.7°F |