Place	Avg high	Sea	Sun a day	Rainy days	Flight	Dots
Doha	39°C	–	11h	0	7h 05m	5/7
Abu Dhabi	38°C	29°C	11h	0	7h 20m	6/7
Dubai	38°C	28°C	11h	0	7h 40m	5/7
Cancún and the Riviera Maya	32°C	28°C	9h	6	10h 45m	7/7
Cairo	32°C	–	11h	0	5h 30m	5/7
Orlando	31°C	–	10h	6	9h 30m	6/7
Miami	30°C	27°C	9h	10	9h 40m	6/7
Marrakech	29°C	–	10h	3	3h 35m	7/7
Seville	28°C	–	10h	3	2h 45m	6/7
Antalya	27°C	21°C	10h	3	4h 55m	7/7
Beijing	27°C	–	10h	6	10h 05m	5/7
Izmir	26°C	18°C	10h	4	4h 20m	6/7
Murcia and the Costa Cálida	26°C	18°C	10h	3	2h 50m	6/7
Alicante	25°C	18°C	10h	3	2h 40m	6/7
Athens	25°C	19°C	9h	4	4h 15m	6/7
Corfu	25°C	19°C	9h	5	3h 30m	6/7
Fuerteventura	25°C	20°C	10h	0	4h 10m	6/7
Gran Canaria	25°C	20°C	9h	0	4h 15m	6/7
Lanzarote	25°C	20°C	10h	0	4h	6/7
Málaga	25°C	18°C	10h	2	2h 55m	6/7
Paphos	25°C	21°C	11h	1	5h	6/7
Rhodes	25°C	20°C	10h	2	4h 20m	6/7
Valencia	25°C	18°C	9h	5	2h 40m	6/7
Crete	24°C	19°C	10h	2	4h 05m	7/7
Rome	24°C	18°C	9h	5	2h 55m	7/7
Tenerife	24°C	20°C	9h	0	4h 20m	7/7
Tuscany and Pisa	24°C	–	8h	7	2h 40m	7/7
Faro and the Algarve	24°C	17°C	11h	3	2h 45m	6/7
Tirana	24°C	18°C	9h	9	3h 35m	6/7
Bucharest	24°C	–	9h	9	3h 40m	5/7
Malta	24°C	18°C	10h	1	3h 30m	5/7
Shanghai	24°C	–	6h	12	11h 30m	5/7
Washington	24°C	–	8h	11	8h 30m	5/7
Majorca	23°C	18°C	9h	3	2h 30m	7/7
Lisbon	23°C	16°C	9h	6	2h 40m	6/7
Madrid	23°C	–	10h	6	2h 35m	6/7
Milan and the Lakes	23°C	–	7h	9	2h 20m	6/7
Salou and the Costa Dorada	23°C	17°C	9h	5	2h 30m	6/7
Split	23°C	18°C	9h	7	2h 55m	6/7
Ibiza	23°C	18°C	10h	3	2h 35m	5/7
Los Angeles	23°C	17°C	8h	1	11h 10m	5/7
Budapest	22°C	–	8h	8	2h 50m	7/7
New York	22°C	–	8h	11	7h 45m	7/7
Venice	22°C	17°C	8h	9	2h 35m	7/7
Barcelona	22°C	17°C	8h	6	2h 20m	6/7
Chicago	22°C	–	9h	12	8h 30m	6/7
Chișinău and Moldova	22°C	–	9h	8	3h 30m	6/7
Lyon	22°C	–	7h	10	2h 15m	6/7
Turin	22°C	–	7h	10	2h 25m	6/7
Bratislava	22°C	–	8h	8	2h 45m	5/7
Iasi	22°C	–	9h	10	3h 35m	5/7
Toulouse	22°C	–	7h	10	2h 10m	5/7
Zagreb	22°C	–	8h	10	2h 50m	5/7
Istanbul	21°C	15°C	9h	5	4h 25m	7/7
Cluj-Napoca	21°C	–	8h	11	3h 15m	6/7
Madeira	21°C	19°C	7h	2	3h 40m	6/7
Nice and the Riviera	21°C	17°C	9h	5	2h 20m	6/7
Porto	21°C	15°C	8h	10	2h 15m	6/7
Vienna	21°C	–	7h	8	2h 45m	6/7
Basel	21°C	–	7h	12	2h 05m	5/7
Kosice	21°C	–	8h	10	3h	5/7
Sofia	21°C	–	8h	11	3h 35m	5/7
Boston	20°C	–	8h	12	7h 10m	7/7
Kraków	20°C	–	7h	11	2h 40m	7/7
Prague	20°C	–	7h	9	2h 15m	7/7
Biarritz and the Basque Coast	20°C	15°C	6h	13	2h 05m	6/7
Cologne	20°C	–	6h	11	1h 50m	6/7
Geneva and the Alps	20°C	–	7h	11	2h 15m	6/7
Paris	20°C	–	7h	9	1h 40m	6/7
Wroclaw	20°C	–	8h	10	2h 30m	6/7
Dusseldorf	20°C	–	6h	11	1h 45m	5/7
Lodz	20°C	–	8h	9	2h 40m	5/7
Poznan	20°C	–	8h	9	2h 30m	5/7
Warsaw	20°C	–	8h	9	2h 45m	5/7
Frankfurt	20°C	–	7h	11	2h	4/7
Katowice	20°C	–	7h	11	2h 45m	4/7
Memmingen	20°C	–	7h	13	2h 20m	4/7
Rzeszow	20°C	–	8h	10	3h	4/7
Swidnik	20°C	–	8h	9	3h	4/7
Dublin, for comparison	16°C	11°C	6h	10	–	–

Long-term averages, rounded. Rainy days are days with at least 1mm of rain. Sea temperature is shown where there is a beach to swim from.

Irish school holidays in May 2027

No mid-term or school holidays in May, so fares are usually calmer. Good news for anyone not tied to the school run.

From Dublin, the cheapest fares we found for May are about 9% above the yearly average.

Long weekend: May Bank Holiday, Sat 1 to Mon 3 May

What's on in May

Not every good trip is about the sun. Festivals, carnivals and Christmas markets worth the flight.

Madeira 21°C
Flower Festival: parades and flower carpets in Funchal, usually in late April or May.
Direct from Dublin
Madrid 23°C
San Isidro, the city’s own festival, around 15 May.
Direct from Dublin
Oslo 16°C
Constitution Day, 17 May: the whole country in traditional dress, parades everywhere.
Direct from Dublin

Dates move from year to year. Check the event's own website before you book.

Questions people actually ask

Where is warm in May with a direct flight from Dublin?

The warmest places with direct flights from Dublin in May are Doha (39°C), Abu Dhabi (38°C), Dubai (38°C), Cancún and the Riviera Maya (32°C) and Cairo (32°C). Those are average daytime highs.

Where is the sea warm enough to swim in May?

Direct from Dublin, the warmest sea is in Abu Dhabi (29°C), Cancún and the Riviera Maya (28°C), Dubai (28°C) and Miami (27°C). The Irish Sea is about 11°C, for comparison.

Where is sunniest in May?

Of the places with direct flights, Abu Dhabi gets the most sunshine in May, about 11 hours a day. Dublin averages about 6.

Are there school holidays in Ireland in May 2027?

No. With no mid-term or school holidays, fares and hotel prices are usually calmer, which makes it a good time for anyone without kids in school.

What's on in May?

Madeira: Flower Festival: parades and flower carpets in Funchal, usually in late April or May. Madrid: San Isidro, the city’s own festival, around 15 May. Oslo: Constitution Day, 17 May: the whole country in traditional dress, parades everywhere.

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