Ireland weather averages

Going to Ireland? Find the best month to visit Ireland based on the weather.

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Check Ireland weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Ireland is expected to be 18°C, while the average maximum temperature in May is 15°C. The holiday weather guide shown above is for Dublin.

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More about Ireland

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

Ireland weather averages: best month

Ireland Best month Averages
Warmest July & August 19°C
Sunniest May & June 6 hours per day
Least rain July 14 days
Warmest sea August 15°C

Ireland climate guide

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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!

Tropical storm risk: Ireland hurricane season

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The Ireland tropical storm risk chart above shows the hurricane season for Dublin, Ireland.

More about tropical storms

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Ireland weather averages by month

Check Ireland holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Ireland weather with the USA

Below the Ireland weather chart shows maximum daytime temperature for Ireland (Dublin) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Ireland (Dublin)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Ireland weather >>

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More Ireland destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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