Northern Ireland weather

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Below are the temperatures expected today at popular destinations in Northern Ireland. Select a destination to compare today's forecast with average weather conditions.

18
Belfast
17
Londonderry

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The weather guide for Northern Ireland 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.

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.