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Best time to visit Northern Ireland
The best times to visit Northern Ireland (Belfast) are in June, July and August based on our default weather conditions. Update your weather preferences to see which months best match.
- Best time to visit
- Weather by month
- 5-day weather forecast
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Northern Ireland by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Top Northern Ireland destinations
Below are the temperatures expected today at popular countries, regions and places in Northern Ireland. Select a destination to compare today's forecast with average weather conditions.
All Northern Ireland destinations
- Antrim
- Armagh
- Ballycastle
- Ballymena
- Ballymoney
- Bangor
- Belfast
- Carrickfergus
- Coleraine
- Downpatrick
- Dungannon
- Enniskillen
- Hillsborough
- Kilkeel
- Larne
- Londonderry
- Magherafelt
- Newcastle
- Newry
- Omagh
- Portrush
- Portstewart
- Strabane
When is the best time to visit Northern Ireland?
Max Day Temperature (°C)
- Jan
7 - Feb7
- Mar
9 - Apr11
- May
14 - Jun
17 - Jul
18 - Aug18
- Sep16
- Oct13
- Nov9
- Dec8
Best time to visit
The weather guide for Northern Ireland (Belfast) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Northern Ireland
Explore our complete guide to Northern Ireland with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Northern Ireland.
Northern Ireland travel guide - essential info
Below is a beginner's guide to Northern Ireland with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| Northern Ireland - quick facts | |
|---|---|
| Time difference | UK +0 hours |
| Language(s) | English |
| Currency | Pound Sterling |
| Electricity | G plug (230V) |
| Driving side | Left |
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Northern Ireland travel deals
Check out the latest deals, discount codes and special offers on holidays to Northern Ireland in 2026/2027. Pay low deposits and save with last minute holiday availability and free kids places.
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Northern Ireland travel guidance
Check the latest travel guidance and advice on visiting Northern Ireland from official government sources (in english) from around the world including entry requirements and travel restrictions.
- Irish traveller advice for Northern Ireland - Department of Foreign Affairs, Ireland
- Canadian travel advice for Northern Ireland - Government of Canada
- US travel advisories for Northern Ireland - US Department of State
- Safe travel advisories for Northern Ireland - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for Northern Ireland - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Northern Ireland.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
Northern Ireland travel health
Find out more about staying safe when travelling to Northern Ireland with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for Northern Ireland - CDC
- Health & vaccinations for Northern Ireland - TravelHealthPro, NaTHNac
- How to stay safe & healthy in Northern Ireland - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in Northern Ireland, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Northern Ireland travel features
Do you want to learn more about Northern Ireland? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Northern Ireland.
We don't currently have any travel features on Northern Ireland. Discover more about holiday destinations around the world with this selection of general travel articles.
Northern Ireland FAQs
Read our frequently asked questions about travelling to Northern Ireland including the current entry restrictions, driving side, electrical plugs used and much more.
Which is the hottest month in Northern Ireland?
The hottest time of year in Belfast, Northern Ireland is normally July. Expect maximum daytime temperatures to reach 18°C.
Which month has the most rain in Northern Ireland?
In terms of rainfall, January is usually the wettest month in Belfast, Northern Ireland with 101mm on average. There are normally 20 days in January with some rain.
When is it sunniest in Northern Ireland?
The sunniest time of year in Belfast, Northern Ireland is normally May with bright sunshine on average for 37% of daylight hours; that's 6 hours of sunshine per day.
When is the sea warmest in Northern Ireland?
The sea is usually at its warmest in Belfast, Northern Ireland in September when the water temperature reaches 14°C.
What is the time difference between Northern Ireland and the UK?
The time difference between Northern Ireland and the UK is UK time+0 hours.
What is the main language spoken in Northern Ireland?
The main language spoken in Northern Ireland is English.
Learn a language for Northern Ireland with Busuu*, Rocket Languages* and Rosetta Stone*.
What is the currency in Northern Ireland?
The currency in Northern Ireland is the Pound Sterling (GBP).
Send money to Northern Ireland with TransferGo*.
Which plugs are used in Northern Ireland?
Northern Ireland uses electrical plug type G (230 Volts).
Which side of the road do they drive on in Northern Ireland?
They drive on the left side of the road in Northern Ireland.
Find out more about driving in UK with International Drivers Association*.
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