Best Travel Time for Ireland

Weather in Ireland

Climate in Ireland

Ireland  is famous for its rough landscapes, lush meadows and endless expanses. No wonder that the  green island is  an absolute destination for many of you. Ireland is not exactly known for its high temperatures and many hours of sunshine, but the Gulf Stream brings a  mild climate  to Ireland. In summer the temperature display climbs up to 20 ° C, in the winter months it drops to 2 ° C. You don’t expect a hot summer here, but the winters are mild and there is seldom snow. The changeable weather is typical for Ireland . Do not be deceived by a clear sky, even these days can surprise you with a rain shower. On the other hand, when the sun shows up and Ireland’s landscape shines in lush green, you should always have your sunglasses ready. In my article “Best travel time to Ireland” you will learn everything about the climate on the Emerald Isle. I will also clarify for you which months are best for a tour of Ireland and which weather  awaits you in  Dublin .

Climate in Ireland

Climate table for Ireland

Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Max. Temperature in ° C 8 9 10 13 15 18 20 19 17 14 9 8
Min. Temperature in ° C 2 2 3 3 6 9 11 10 9 5 3 2
Hours of sunshine per day 2 3 4 6 7 7 6 5 4 3 2 2
Water temperature in ° C 9 8 7 8 9 11 13 14 14 13 12 10
Rainy days per month 13 11 10 11 11 11 13 13 12 12 12 13

Best travel time for Ireland

According to Justinshoes, the  best time to travel to Ireland  is from  May to September, when  it gets warmest. With temperatures of up to 20 ° C, July is considered the warmest month in Ireland. Spring is the driest, May and June have the most  hours of sunshine  for you. The fewest hours of sunshine fall in the months of November to January, here the sun only shines two hours a day. Ireland lovers like to visit the  contrasting island  in autumn. So you avoid the  high season in the summer months and can still look forward to mild temperatures. In winter you will meet few tourists, because the months November to February are the darkest and coldest months on the island. Compared to other European countries, the winter remains pleasantly mild, snow often only falls in the hill and mountain regions. With 13 rainy days per month, January, July, August and December are the months with the highest rainfall. It remains relatively dry in March with an average of ten rainy days. After the sea has warmed up in summer, you can  look forward to water temperatures of 14 ° C in August and September  . In March the sea is coldest at 7 ° C.

The best months to travel to Ireland at a glance:

  • May : 15 ° C, 7 hours of sunshine, 9 ° C water temperature, 11 rainy days
  • June : 18 ° C, 7 hours of sunshine, 11 ° C water temperature, 11 rainy days
  • July : 20 ° C, 6 hours of sunshine, 13 ° C water temperature, 13 rainy days
  • August : 19 ° C, 5 hours of sunshine, 14 ° C water temperature, 13 rainy days
  • September : 17 ° C, 4 hours of sunshine, 14 ° C water temperature, 12 rainy days

The best months to tour Ireland

To discover Ireland’s unique charm, many visitors choose to tour Ireland. The Wild Atlantic Way , the longest coastal road in the world, is particularly popular  . The  summer months are particularly suitable for  active vacationers : with up to seven hours of sunshine and temperatures around 20 ° C, the island shows its most beautiful side. The days are longest in June and the favorable conditions attract many tourists. Hotels can be overcrowded and you will have to share the sights and natural wonders with other curious holidaymakers. Therefore, you should also take a look at the  off-season throw. The months of May and September in particular are perfect for a round trip through the beautiful island. In autumn the water temperature is 14 ° C even warmer than in summer. During the low season you should expect that some accommodations in Ireland are already closed. It is best to find out in good time so that nothing stands in the way of your Ireland adventure.

The best time to visit Ireland’s capital: Dublin

What would Ireland be without its charming capital,  Dublin ? Beautiful Dublin is located on the east coast of  Ireland  and has taken the hearts of many visitors by storm. In the evening you can  get to know Irish pub culture in one of the countless rustic bars  and end the evening with live music. But maybe you are already planning your next adventure on the Emerald Isle. The months June to September are between 17 ° C and 20 ° C  the warmest in the Irish capital. However, you have to expect high rainfall during this time too, in July you can expect an average of 13 rainy days. The changeable weather here is often reminiscent of the typical April weather. Rapid showers and sunshine quickly follow one another. In general, you can write the historic city on your travel list at any time of the year. Even in winter Dublin does not lose its charm and enchants with its unique character. Incidentally, Dublin is always a few degrees warmer than its surrounding regions.

Weather in Ireland – spring, summer, autumn and winter

The weather in Ireland may be moody and changeable, but there is one constant: the rain. No matter what time of year you want to experience the beauty of the green shining island – you can never completely avoid occasional showers or entire rainy days. The seasons differ  depending on the region :  the western part of Ireland is usually more rainy than the east of the island. In the south it is on average up to three degrees warmer than in the north.


The  Irish celebrate the official start of  spring on the first of February, with February still being one of the coldest and darkest months on the island.

In spring Ireland lives up to its name as a green island.

The months of April and May are considered real insider tips among connoisseurs  . The first strong rays of sunshine turn Ireland back into a colorful backdrop and the dark winter days seem to have been forgotten. March has the fewest rainy days and with up to  15 ° C in May  it even gets really warm by Irish standards.


Between June and September it is the warmest on the green island with an average maximum temperature between 17 ° C and 20 ° C. However, there are no heat records. Ireland’s summers are comparatively cool – perfect for active vacationers and nature lovers, rather unsuitable for all pool mermaids and sun worshipers. July is the warmest month at 20 ° C  , with the water temperature being the warmest in September at 14 ° C. The pleasant temperatures attract numerous tourists and, especially during domestic holidays, the popular sights quickly get crowded, hotels are partially booked out. In summer you can  look forward to  particularly long days , in June there are the longest days with up to 17 hours.


September ushers in the popular  off-season  in Ireland. The temperatures are still mild and you can  look forward to some golden autumn days in October  . The colorful leaves transform Ireland into a beautiful sea of ​​colors. In September the temperature rises to 17 ° C, in October the maximum temperature is 14 ° C. The main holiday season in Ireland has ended. With a little luck you will have many highlights on your trip through Ireland all to yourself.


At the end of October to February the days get darker and the weather is often wet and cold. Temperatures are  rarely below freezing, and  snow usually only falls in the mountains. This weather is not suitable for a road trip along Ireland’s rough coast, but Ireland is also worth a visit in winter. City trips are a great alternative  , especially in Dublin you can immerse yourself in a cozy setting. In December, the Christmas market attracts visitors with delicious mulled wine and warm cocoa. The many fairy lights give the city a festive atmosphere.

No matter when you want to visit unique Ireland – Ireland is definitely worth a visit. The  Mediterranean climate  ensures mild winters and cool summer months, perfect for all nature lovers who want to lose themselves in Ireland’s vast expanses. The months May to September are particularly recommended, as they are tempting with warmer temperatures and long days. Don’t be surprised by the changeable weather – with an  umbrella, sunglasses and a good mood you  are well equipped for Ireland!

Weather in Ireland