Dublin weather in May (Dublin County, Ireland)

The average maximum daytime temperature in Dublin in May lies at 14.0°C (57.2°F). The average minimum temperature goes down to around 8.2°C (46.76°F) (often the minimum temperature is noted at night).

Rainfall during May is moderate with an average of 57mm (2.3 inches). There are generally around 16 rainy days. The sun will show itself now and again, with 188 hours of sunshine during the entire month.

 

Dublin, monthly averages in May

Show in Celsius

Min Temperature 46 °F  

Max Temperature 57 °F  

Water Temperature 50 °F *  

Chance of Rain 54%  

Precipitation 2 in  

Rainy days 16 days  

Humidity 68% *  

Sunshine 188 hrs *  

Percentage Sunshine 42% *  

Where to stay in Dublin

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Where to go in Ireland in May

Find out more about the weather in Ireland in May and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in May? Bring a rain jacket in case it rains during your stay. It’s not quite the end of sweater weather, so don’t pack your knits away yet. But you could for example swap a turtleneck for a button down shirt in this month. At night it tends to cool off so best to pack some warm nightwear as well. With a water temperature of around 10.4°C (50.72°F), there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Dublin.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.