Dublin

Dublin County Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Dublin County, Ireland in May.

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Dublin Swords Dun Laoghaire Rathgar

Are you planning a trip a to Dublin County, Ireland in May and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Dublin County in May

Dublin County, Ireland is a region in Ireland. May in Dublin County generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 8°C (46°F) in Dublin.

To learn more about the conditions in specific areas of Dublin County, Ireland, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Rush with an average of 64 mm (2.5 in) to moderate rainfall in Citywest with 73 mm (2.9 in).

Average sunshine

Sunshine is moderately available across various locations. In Dublin, you can expect around 188 hours of sunlight in May, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Dublin County by month

Pick a month to see the average temperature, rainfall and sunshine in Dublin County - and find the best time to visit. (based on Dublin)

January9°C (48°F) February10°C (50°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) June18°C (64°F) This monthJuly20°C (68°F) August20°C (68°F) September18°C (64°F) October15°C (59°F) November12°C (54°F) December10°C (50°F)
Best Time to Visit Dublin County →

Best Places to Visit in Dublin County in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Dublin County.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Dublin County

What is the weather like in May for some of the most popular destinations in Dublin County, Ireland?

Temperature range in Dublin County (May)

Precipitation variation in Dublin County (May)

Dublin

In May Dublin generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
6°C (43°F)
8°C (46°F)
11°C (52°F)
Monthly sun hours
157 hours
188 hours
180 hours
Monthly rainfall
69 mm (2.7 in)
67 mm (2.6 in)
78 mm (3.1 in)
Monthly rainy days
15 days
16 days
15 days
Weather conditions
mixed
good
very good
Climate in Dublin →

Swords

In May Swords generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
157 hours
188 hours
180 hours
Monthly rainfall
68 mm (2.7 in)
66 mm (2.6 in)
77 mm (3 in)
Monthly rainy days
15 days
16 days
15 days
Weather conditions
mixed
good
very good
Climate in Swords →

Dun Laoghaire

In May Dun Laoghaire generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
12°C (54°F)
15°C (59°F)
17°C (63°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
157 hours
188 hours
180 hours
Monthly rainfall
72 mm (2.8 in)
68 mm (2.7 in)
80 mm (3.1 in)
Monthly rainy days
15 days
16 days
14 days
Weather conditions
mixed
good
good
Climate in Dun Laoghaire →

Rathgar

In May Rathgar generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
15°C (59°F)
18°C (64°F)
Min temperature
6°C (43°F)
8°C (46°F)
11°C (52°F)
Monthly sun hours
157 hours
188 hours
180 hours
Monthly rainfall
73 mm (2.9 in)
71 mm (2.8 in)
81 mm (3.2 in)
Monthly rainy days
15 days
16 days
15 days
Weather conditions
mixed
good
very good
Climate in Rathgar →

Cloghran

In May Cloghran generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are good that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
6°C (43°F)
8°C (46°F)
11°C (52°F)
Monthly sun hours
157 hours
188 hours
180 hours
Monthly rainfall
69 mm (2.7 in)
67 mm (2.6 in)
78 mm (3.1 in)
Monthly rainy days
15 days
16 days
15 days
Weather conditions
mixed
good
very good
Climate in Cloghran →

Is your destination not in the list? Have a look at all destinations in Dublin County, in Ireland.

Popular cities in May

Day & night temperatures, rainfall and average weather in Dublin County in May.

City Weather Day temp Night temp Rainfall
Dublin 16°C (61°F) 8°C (46°F) 67 mm (2.6 in)
Swords 16°C (61°F) 9°C (48°F) 66 mm (2.6 in)
Dun Laoghaire 15°C (59°F) 9°C (48°F) 68 mm (2.7 in)
Rathgar 15°C (59°F) 8°C (46°F) 71 mm (2.8 in)
Cloghran 16°C (61°F) 8°C (46°F) 67 mm (2.6 in)
Clondalkin 16°C (61°F) 8°C (46°F) 71 mm (2.8 in)

Dublin County weather in May: frequently asked questions

What is the weather like in Dublin County, Ireland in May?

Expect good weather across Dublin County, Ireland in May. The popular destination of Dublin averages 16°C (61°F) by day and 8°C (46°F) at night during this month.

What is the average temperature in Dublin County, Ireland in May?

Daytime temperatures in Dublin peak at roughly 16°C (61°F) in May, dropping to about 8°C (46°F) overnight.

Does Dublin County, Ireland get a lot of rain in May?

Not particularly. Dublin averages just 67 mm (2.6 in) of rain in May, making it a mostly dry month for Dublin County, Ireland.

Is May a Good Time to Visit Dublin County, Ireland?

In our opinion, May is a good time to visit Dublin County, Ireland with overall good weather in Dublin. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Dublin County, Ireland is in July and August with generally excellent weather in Dublin. The weather in January, February and December, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Dublin County.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed 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 travel conditions. Find out where to go with our weather planner.

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