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Best time to visit Belfast
Find the best time to visit Belfast and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.
- Best time to visit
- Weather by month
- 5-day weather forecast
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Belfast by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Belfast
When is the best time to visit Belfast?
Max Day Temperature (°C)
- 7Jan
- 7Feb
- 9Mar
- 11Apr
- 14May
- 17Jun
- 18Jul
- 18Aug
- 16Sep
- 13Oct
- 9Nov
- 8Dec
Which is the hottest month in Belfast?
The hottest time of year in Belfast is normally July. Expect maximum daytime temperatures to reach 18°C.
Which month has the most rain in Belfast?
In terms of rainfall, January is usually the wettest month in Belfast with 101mm on average. There are normally 20 days in January with some rain.
When is it sunniest in Belfast?
The sunniest time of year in Belfast 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 Belfast?
The sea is usually at its warmest in Belfast in September when the water temperature reaches 14°C.
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)
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.
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