Ireland weather

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

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The weather guide for 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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When is it hottest in Ireland?

The hottest time of year in Dublin, Ireland is normally July. Expect maximum daytime temperatures to reach 19°C.

What is the wettest month in Ireland?

In terms of rainfall, December usually gets the most rainfall in Dublin, Ireland with 75mm on average. In December there are normally 17 days with some rain.

When is it sunniest in Ireland?

The sunniest time of year in Dublin, Ireland is normally May with bright sunshine on average for 38% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Ireland?

The sea is usually at its warmest in Dublin, Ireland in August when the water temperature reaches 15°C.

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

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Compare Ireland weather with the USA

Below the Ireland weather chart shows average maximum daytime temperature for Ireland (Dublin) and the USA (Washington).

Maximum daytime temperature (°C)

Ireland (Dublin)

USA (Washington)

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

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Ireland weather overview

The women of Ireland are famed for their dewy complexions, thanks largely to the soft rain which falls on their country all year round. If you hate getting wet, head for Dublin or Cork in the east and south where the climate is somewhat drier, or time your Irish trip for May when the weather is warmest and sunniest. The west coast is stunningly beautiful but you will spend some of your time peering at the magnificent coastline through a fog of cloud and mist.

In winter, the west falls prey to some ferocious storms while the whole of Ireland, in common with the United Kingdom mainland, can occasionally be afflicted by cold spells when northerly and easterly winds bring snow and frost.

What to pack for Ireland weather

Light clothes supplemented with warmer jackets are fine during the summer; wrap up more warmly in the winter months. Always take an umbrella - but think how good all that drizzle is for the skin!