Regional Climate Variation in Ireland

While the climate is broadly similar throughout Ireland, there are some regional differences, and they may tip the balance for you when deciding when and where to visit.

  • Coastal areas experience the least difference between summer and winter conditions, with an average 10ºC difference between January and July. This is due to the effect of the Atlantic Ocean, which absorbs heat in summer and releases it in winter.
  • Mountains and those areas to the east of the mountains are generally wetter, so many areas in Kerry, Galway and Donegal experience higher annual rainfall.
  • The South East is typically the warmest and driest part of Ireland and gets the most hours of sunshine annually. It is known for this reason as “the Sunny South-East.

These differences are relatively slight and not sufficient to cause much variation in vegetation or the appearance of the countryside.

The latest and most accurate regional weather forecasts for Ireland are available from the Irish Meterological Service.

Rainbows

Looking close to the pot of goldRainbows are a very common occurrence everywhere in Ireland, but it seems to me they are more common in mountainous areas of the North and West – but that may just be because they are more beautiful in spectacular scenery. Of course the price we pay for their beauty is lots of rain!

Their frequency is a function of our rapidly changing weather – often it’ll be pouring with rain now and sunny in 10 minutes.  So when the sun comes out it shines on air still heavy with water droplets, with wonderfully colourful effect.

I’ve never had a reliable account of anyone finding a pot of gold – though this guy looks like he is getting quite close!

West Cork & the Gulf Stream

Bantry HouseAn area with a somewhat exceptional climate is West Cork, where the coastal areas warmed by the Gulf Stream support a lush, almost tropical, vegetation. Temperatures tend not to get as low as they are elsewhere – snow is almost unheard of – and though it rains more than average it is also warmer than average.

The effects of this warm wet micro-climate are very evident when you visit the area and see palm trees, luxuriant sub-tropical vegetation and exotic flowers growing in abundance – plants that would find it impossible to survive in other parts of Ireland.

This warm micro climate has made West Cork a region where there are many beautiful gardens, none more so that the gardens on Ilnaculin or Garnish Island or at Bantry House.

Article updated: March 31, 2017 | Image Credits

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