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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.
Recommended for Northern Ireland
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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 64°F.
Which month has the most rain in Northern Ireland?
In terms of rainfall, January is usually the wettest month in Belfast, Northern Ireland with 4.0 inches 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 57°F.
Metric (°C) | Imperial (°F)
Compare Northern Ireland weather with the USA
Below the Northern Ireland weather chart shows average maximum daytime temperature for Nothern Ireland (Belfast) and the USA (Washington).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more Northern Ireland weather >>
More Northern Ireland destinations
- Antrim
- Armagh
- Ballycastle
- Ballymena
- Ballymoney
- Bangor
- Carrickfergus
- Coleraine
- Downpatrick
- Dungannon
- Enniskillen
- Hillsborough
- Kilkeel
- Larne
- Magherafelt
- Newcastle
- Newry
- Omagh
- Portrush
- Portstewart
- Strabane
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