- Save EXTRA 10% on holidays in summer 2022
- Not combinable with other offers. T&Cs apply
- Travel before 31st August 2022 (inclusive)
Northern Ireland weather in August 2022
- 1818°C max day temperature
- 1717 days with some rainfall
- 1111°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 8989 mm of monthly rainfall
- 55 (Moderate) UV index
- 1313°C sea temperature
Below are average maximum temperatures at popular destinations in Northern Ireland in August. Select a destination to see more weather parameters.
Recommended for Northern Ireland
The August weather guide for Northern Ireland (Belfast) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How hot is it in Northern Ireland in August?
Daytime temperatures usually reach 18°C in Belfast, Northern Ireland in August, falling to 11°C at night.
How sunny is it in Northern Ireland in August?
There are normally 5 hours of bright sunshine each day in Belfast, Northern Ireland in August - that's 32% of daylight hours.
How warm is the sea around Northern Ireland in August?
The average sea temperature around Belfast, Northern Ireland in August is 13°C.
Does it rain in Northern Ireland in August?
There are usually 17 days with some rain in Belfast, Northern Ireland in August and the average monthly rainfall is 89mm.
Northern Ireland August sunrise & sunset times
Browse the sunrise and sunset times for Northern Ireland in August 2022. Select a month to view Northern Ireland sunrise and sunset times for the next 12 months. The Northern Ireland sunrise and sunset times shown below are for Belfast.
|Date||Sunrise times||Sunset times|
|Monday, 1st August 2022||05:34||21:25|
|Tuesday, 16th August 2022||06:01||20:53|
|Wednesday, 31st August 2022||06:29||20:18|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.