Weather in Ireland for May 2025
In general, the average temperature in Ireland at the beginning of May is 12.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 14.6 °C by the end of May.
Ireland experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 78.7 mm.
Is May a good time to visit Ireland? check out the best time to travel to Ireland page.
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Ireland in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2 12° | 3  12° | 4  12° | |||
| 5 13° | 6 12° | 7  14° | 8 16° | 9 14° | 10 14° | 11 14° |
| 12 14° | 13  14° | 14 13° | 15 13° | 16 14° | 17 14° | 18 14° |
| 19 14° | 20 14° | 21 14° | 22 14° | 23 13° | 24 14° | 25 14° |
| 26  14° | 27 15° | 28 15° | 29 14° | 30 15° | 31 15° |
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Temperatures trend during May in Ireland
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 11° /6° | 3.2 mm | 3 | |
| 2 May | Patchy rain possible | 12° /7° | 0.9 mm | 3 | |
| 3 May | Moderate or heavy rain shower | 12° /8° | 4.4 mm | 3 | |
| 4 May | Heavy rain at times | 12° /7° | 4.8 mm | 3 | |
| 5 May | Moderate or heavy rain shower | 13° /7° | 1.4 mm | 4 | |
| 6 May | Patchy rain possible | 12° /6° | 2.2 mm | 3 | |
| 7 May | Overcast | 14° /6° | 0.8 mm | 4 | |
| 8 May | Moderate or heavy rain shower | 16° /8° | 8.4 mm | 4 | |
| 9 May | Patchy rain possible | 14° /9° | 1.4 mm | 3 | |
| 10 May | Patchy rain possible | 14° /9° | 2.3 mm | 4 | |
| 11 May | Patchy rain possible | 14° /7° | 2.1 mm | 4 | |
| 12 May | Moderate or heavy rain shower | 14° /7° | 2.5 mm | 4 | |
| 13 May | Partly cloudy | 14° /8° | 3.5 mm | 4 | |
| 14 May | Moderate or heavy rain shower | 13° /8° | 1.8 mm | 3 | |
| 15 May | Patchy rain possible | 13° /7° | 1.8 mm | 3 | |
| 16 May | Patchy rain possible | 14° /8° | 3.7 mm | 3 | |
| 17 May | Patchy rain possible | 14° /8° | 3.9 mm | 3 | |
| 18 May | Patchy rain possible | 14° /8° | 1.4 mm | 3 | |
| 19 May | Partly cloudy | 14° /7° | 0.1 mm | 4 | |
| 20 May | Moderate or heavy rain shower | 14° /9° | 4.1 mm | 4 | |
| 21 May | Heavy rain at times | 14° /9° | 4.5 mm | 3 | |
| 22 May | Patchy rain possible | 14° /9° | 2 mm | 3 | |
| 23 May | Moderate or heavy rain shower | 13° /7° | 3.6 mm | 4 | |
| 24 May | Patchy rain possible | 14° /7° | 0.5 mm | 4 | |
| 25 May | Patchy rain possible | 14° /8° | 0.8 mm | 3 | |
| 26 May | Cloudy | 14° /8° | 3.3 mm | 3 | |
| 27 May | Moderate rain at times | 15° /8° | 1 mm | 4 | |
| 28 May | Heavy rain at times | 15° /8° | 5.1 mm | 4 | |
| 29 May | Patchy rain possible | 14° /8° | 1.1 mm | 4 | |
| 30 May | Patchy rain possible | 15° /8° | 0.7 mm | 4 | |
| 31 May | Overcast | 15° /8° | 1.5 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.
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Ireland in May - FAQ
What to pack to Ireland in May?
As you prepare for your trip to Ireland in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ireland, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Ireland
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Where is Ireland?Get accurate weather forecasts for Ireland, located at latitude 53.333 and longitude -6.249. Stay updated with localized weather information tailored for Ireland.