North Ireland in august: average Weather, Temperature and Climate, Where to go?
Weather in Northern Ireland in august 2025
Here, you have access to the weather forecast for the month of august for most popular cities in North Ireland. These datas are statistics for the month of august from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.
Average weather in august in Belfast
tolerable weather
Weather at 6am
56°F
Partly Cloudy
25% of time
21%
17%
15%
Weather at 12pm
63°F
Moderate rain at times
38% of time
23%
18%
12%
Weather at 6pm
61°F
Moderate rain at times
47% of time
19%
13%
12%
Weather at 3am
54°F
25%
19%
18%
16%
Where to go in Northern Ireland in august?
Where to go in Northern Ireland in august: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in august?
| County Antrim (Belfast, Ballycastle (Causeway Coast), Larne...) | 61°F to 65°F | 4 à 13 days | 58°F to 59°F | tolerable weather |
| County Armagh (Armagh, Craigavon, Portadown...) | 63°F | 4 days | tolerable weather* | |
| County Down (Donwpatrick, Bangor, Newry...) | 61°F to 65°F | 4 à 10 days | 59°F | good weather* |
| County Fermanagh (Enniskillen (Fermanagh)...) | 63°F | 6 days | bad weather | |
| County Londonderry (Derry (Londonderry), Coleraine, Limavady...) | 63°F | 3 à 10 days | 59°F | tolerable weather* |
| County Tyrone (Strabane, Omagh, Dungannon...) | 63°F to 65°F | 3 à 4 days | bad weather |
Where should you go in Northern Ireland in august when it comes to the weather?
Remember:
The climate in Northern Ireland in august ranges from good to bad depending on the region and city.
You are lucky: It is not perfect, however, the weather in North Ireland in august should be good in Bangor (Strangford Lough district). I allows to appreciate tour in this city. And even why not take a little time to enjoy the hotel pool!
If you do not go lazing in the sun, but, for example for hiking, the cities of Donwpatrick, Belfast, Larne and Ballycastle (Causeway Coast) have a decent enough weather for that in august. Eventually, it is not advisable to travel to Enniskillen (Fermanagh), Derry (Londonderry) and Armagh that month because the climate is rather unfavorable.
Climate in Northern Ireland in august
Climate in Belfast in august
In the month of august, the mean temperature in Belfast is 59°F (maximum temperature is 65°F and minimum temperature is 56°F). The climate is quite fresh in that area in this month, but it is liveable when dressing warm. With 5.9in over 10 days, rainfall can happen throughout your stay. But this is reasonably and it will not be continuous.
With a correct weather, august is okay (but not good time) for traveling there.
| August | |||
| Average temperature | 59°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 56°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 5.9in | ||
| Number of days with rainfall | 10 day(s) (32%) | ||
| Humidity | 94% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 59% | ||
| Length of day | 14:55 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Armagh in august
In august, the mean temperature in Armagh is 58°F (maximum temperature is 63°F and minimum temperature is 52°F). The climate is fairly cool there in the month of august, but it is tolerable when dressing cosy. With 3.3in over 4 days, you risk getting wet slightly throughout your holidays. But this is rather reasonably and it will not be continuous.
With a bad climate, august is not the best time to go in this locality.
| August | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 52°F | ||
| Rainfall | 3.3in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 97% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 72% | ||
| Length of day | 14:53 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Ballycastle (Causeway Coast) in august
In the month of august, maximum temperature is 61°F and minimum temperature is 56°F (for an average temperature of 59°F). The climate is quite cold here in this month, but it is endurable by dressing warm. With 7.4in over 13 days, you risk getting wet slightly throughout your trip. But this is pretty reasonably and it is only of temporary showers.
With a correct climate, the month of august is okay (but not the best time) for traveling in this city in North Ireland.
| August | |||
| Average temperature | 59°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 56°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 7.4in | ||
| Number of days with rainfall | 13 day(s) (41%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 57% | ||
| Length of day | 15:00 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Derry (Londonderry) in august
In the month of august, the mean temperature in Derry (Londonderry) is 58°F (maximum temperature is 63°F and minimum temperature is 54°F). The climate is relatively fresh in this city in this month, but it is bearable by dressing hot. With 2.6in over 3 days, rainfall can happen throughout your journey. But this is rather moderate and it is only of temporary showers.
With a bad climate, the month of august is not the best time to go in that area.
| August | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 3 day(s) (9%) | ||
| Humidity | 96% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 69% | ||
| Length of day | 14:58 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Donwpatrick in august
In august, maximum temperature is 63°F and minimum temperature is 58°F (for an average temperature of 59°F). The climate is quite cool there in the month of august, but it is tolerable when dressing cosy. With 3.9in over 6 days, you will experience some showers during your trip. But this is pretty moderate and it is only of temporary showers.
With proper weather, august is okay (but not good time) for traveling in that area.
| August | |||
| Average temperature | 59°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 3.9in | ||
| Number of days with rainfall | 6 day(s) (19%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 52% | ||
| Length of day | 14:54 | ||
| Our opinion at whereandwhen.net | good |
All cities in Northern Ireland in august
| Belfast in august | tolerable weather |
| Armagh in august | bad weather |
| Ballycastle (Causeway Coast) in august | tolerable weather |
| Derry (Londonderry) in august | bad weather |
| Donwpatrick in august | good weather |
| Enniskillen (Fermanagh) in august | bad weather |
| Larne in august | tolerable weather |
| Annalong in august | good weather |
| Antrim in august | tolerable weather |
| Ballyclare in august | tolerable weather |
| Ballymena in august | tolerable weather |
| Ballymoney in august | tolerable weather |
| Ballywalter in august | good weather |
| Banbridge in august | tolerable weather |
| Bangor in august | good weather |
| Carrickfergus in august | good weather |
| Castlereagh in august | tolerable weather |
| Castlerock in august | tolerable weather |
| Coleraine in august | tolerable weather |
| Cookstown in august | bad weather |
| Craigavon in august | tolerable weather |
| Donaghadee in august | good weather |
| Dromore in august | bad weather |
| Dundrum in august | good weather |
| Dungannon in august | bad weather |
| Glenariff in august | tolerable weather |
| Holywood in august | tolerable weather |
| Kilkeel in august | tolerable weather |
| Kircubbin in august | good weather |
| Limavady in august | bad weather |
Weather data for North Ireland in august:
Weather data for North Ireland in august is derived from an average of the weather forecast since 2009 in Northern Ireland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Northern Ireland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Northern Ireland.