Weather in Ireland for May 2027
In general, the average temperature in Ireland at the beginning of May is 12 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15 °C by the end of May.
The climate of Ireland in May is notably wet, with an average of 13 rainy days, and a total of 68.3 mm of precipitation.
Is May a good time to visit Ireland? check out the best time to travel to Ireland page.
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Ireland Weather May
What’s the Weather Like in Ireland This May?
Temperatures trend during May in Ireland
May weather in Ireland day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain | 13° /8° | 2.6 mm | 3 | |
| 2 May |  Patchy rain possible | 12° /7° | 1.7 mm | 3 | |
| 3 May | Light rain | 12° /8° | 3.1 mm | 3 | |
| 4 May | Light rain | 11° /7° | 3.4 mm | 2 | |
| 5 May | Patchy rain possible | 12° /7° | 1.1 mm | 3 | |
| 6 May | Patchy rain possible | 12° /6° | 1.5 mm | 3 | |
| 7 May | Patchy rain possible | 13° /6° | 0.6 mm | 4 | |
| 8 May |  Moderate or heavy rain shower | 14° /8° | 5.7 mm | 4 | |
| 9 May | Patchy rain possible | 13° /9° | 1 mm | 3 | |
| 10 May | Patchy rain possible | 13° /8° | 1.8 mm | 4 | |
| 11 May | Light rain | 13° /8° | 3.3 mm | 4 | |
| 12 May | Patchy rain possible | 13° /7° | 2.1 mm | 4 | |
| 13 May | Light rain | 13° /9° | 3 mm | 4 | |
| 14 May | Patchy rain possible | 12° /8° | 1.5 mm | 3 | |
| 15 May | Patchy rain possible | 12° /7° | 1.2 mm | 3 | |
| 16 May | Light rain | 13° /8° | 2.9 mm | 3 | |
| 17 May | Light rain | 13° /8° | 4 mm | 3 | |
| 18 May | Patchy rain possible | 13° /8° | 2.4 mm | 3 | |
| 19 May | Patchy rain possible | 14° /8° | 1.4 mm | 3 | |
| 20 May | Light rain | 14° /9° | 3.4 mm | 4 | |
| 21 May | Light rain | 14° /10° | 3.2 mm | 3 | |
| 22 May | Patchy rain possible | 14° /9° | 1.3 mm | 4 | |
| 23 May | Light rain | 14° /8° | 2.5 mm | 4 | |
| 24 May | Patchy rain possible | 15° /9° | 0.9 mm | 4 | |
| 25 May | Patchy rain possible | 15° /9° | 0.8 mm | 4 | |
| 26 May | Light rain | 14° /9° | 2.5 mm | 4 | |
| 27 May | Patchy rain possible | 15° /9° | 2.2 mm | 4 | |
| 28 May | Light rain | 15° /9° | 3.8 mm | 4 | |
| 29 May | Patchy rain possible | 15° /10° | 0.8 mm | 4 | |
| 30 May | Patchy rain possible | 15° /9° | 1.1 mm | 4 | |
| 31 May | Patchy rain possible | 16° /9° | 1.6 mm | 4 | |
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Guide for Ireland in May
In May, Ireland experiences a transition from the cool, damp conditions of spring to milder, sunnier weather as the month progresses. At the beginning of May, Ireland typically sees temperatures ranging from 8° to 14°, with occasional rain showers and overcast skies.
The western coastal areas may still experience some cooler temperatures due to the influence of the Atlantic Ocean.
As the month progresses, the weather in Ireland tends to become more pleasant, with temperatures gradually rising to 12° to 17°. The days become longer, and there is an increase in sunshine hours, making it a great time to explore the lush green landscapes and coastal cliffs.
However, it's important to note that Ireland's weather can be quite changeable, so visitors should be prepared for sudden shifts in conditions.
Overall, May in Ireland offers a mix of spring and early summer weather, with the countryside coming to life with blooming flowers and vibrant greenery. It's a fantastic time to visit historic sites, enjoy outdoor activities, and experience the local culture.