Weather in Dublin in May
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youMay in Dublin is cool, with average highs of 15.0°C and lows of 8.6°C. It is moderately rainy (10 rainy days), with roughly 11.4 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Dublin — every month compared. Once you know when to go, find your Dublin packing list at 247PackingList.
Get ready for Dublin in May
Search flights to Dublin
Compare 100+ airlines for May — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Dublin in May
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
Compare all months in Dublin
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 8.5°C | 60.6mm | 10/10 |
| February | 9.6°C | 80.5mm | 10/10 |
| March | 10.5°C | 64.8mm | 10/10 |
| April | 11.6°C | 48.5mm | 10/10 |
| May | 15.0°C | 59.0mm | 10/10 |
| June | 17.8°C | 71.0mm | 10/10 |
| July | 19.2°C | 90.5mm | 10/10 |
| August | 18.9°C | 85.4mm | 10/10 |
| September | 17.5°C | 92.7mm | 10/10 |
| October | 14.6°C | 124.5mm | 9/10 |
| November | 11.3°C | 67.4mm | 10/10 |
| December | 8.8°C | 92.6mm | 10/10 |
Full month-by-month guide: best time to visit Dublin →
For facts about Ireland — currency, language and dialling code — see our Ireland country guide at 247CountryInfo. Travellers also find it useful to keep a Dublin travel guide to hand. Check clothing sizes in Ireland before you shop.
Frequently Asked Questions
Is May a good time to visit Dublin?
May rates 10/10 for visiting Dublin — excellent time to visit. Expect average highs of 15.0°C, 59.0mm of rain across the month and about 11.4 hours of daily sunshine.
What is the temperature in Dublin in May?
In May, Dublin has average highs of 15.0°C (59.0°F) and average lows of 8.6°C (47.5°F).
Does it rain in Dublin in May?
Not much. May averages just 59.0mm of rain in Dublin — the odd shower is possible but most days stay dry.
What should I wear in Dublin in May?
For Dublin in May (15.0°C highs / 8.6°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes, light waterproof layer.
More essentials for Dublin in May
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.