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.

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  • Northern Ireland climate averages by month
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  • Best time to go to Northern Ireland
  • Northern Ireland 5-day weather forecast
  • Northern Ireland weather today - current conditions (last 24-hours)

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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.

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Northern Ireland holiday rentals

Find holiday rentals in Northern Ireland including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

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Northern Ireland cottages

Search for holiday cottages in Northern Ireland including contemporary and traditional self-catering accommodation.

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Northern Ireland hotels

Compare prices for hotels in Northern Ireland with hotel chains, independent hotels and hotel comparison websites.

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Northern Ireland camping & hostels

Looking for camping holidays in Northern Ireland? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

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Northern Ireland holiday parks

Discover family holidays and short breaks at holiday parks, activity centres and seaside resorts in Northern Ireland with lots of activities, adventures and entertainment for all.

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UK & Ireland holidays

When is it hottest in Northern Ireland?

The hottest time of year in Belfast, Northern Ireland is normally July. Expect maximum daytime temperatures to reach 18°C.

What is the wettest month in Northern Ireland?

In terms of rainfall, January usually gets the most rainfall in Belfast, Northern Ireland with 101mm on average. In January there are normally 20 days 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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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 (°C)

Nothern Ireland (Belfast)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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More Northern Ireland destinations

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