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Dublin County weather in May

Planning a journey to Dublin County this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Dublin County in May?

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

You can expect moderate maximum daytime temperatures of around 16°C and nighttime temperatures around 8°C in Dublin.

In May, precipitation varies across different areas. From moderate rainfall in Rush with an average of 64 mm to moderate rainfall in Citywest with 73 mm. Most areas experience a moderate amount of sunshine, with approximately 188 hours of sunlight expected in Dublin. This makes it neither too gloomy nor overly bright.

For specific regional insights in Dublin County for May, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Dublin County climate page.

Where to go in Dublin County in May

Find the average weather conditions in May for the most popular destinations in Dublin County on the map below. Click on a destination dot for more detailed information.

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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°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Dublin County

What is the weather like in May for the 5 most popular destinations in Dublin County?

Average weather in Dublin

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

Dublin
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
6°C 
157 hours 
69 mm 
15 days 
16°C 
8°C 
188 hours 
67 mm 
16 days 
June   >> June
>>  
18°C 
11°C 
180 hours 
78 mm 
15 days 
Climate in Dublin

Average weather in Swords

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

Swords
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
6°C 
157 hours 
68 mm 
15 days 
16°C 
9°C 
188 hours 
66 mm 
16 days 
June   >> June
>>  
18°C 
11°C 
180 hours 
77 mm 
15 days 
Climate in Swords

Average weather in Dun Laoghaire

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

Dun Laoghaire
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
12°C 
6°C 
157 hours 
72 mm 
15 days 
15°C 
9°C 
188 hours 
68 mm 
16 days 
June   >> June
>>  
17°C 
11°C 
180 hours 
80 mm 
14 days 
Climate in Dun Laoghaire

Average weather in Rathgar

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

Rathgar
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
6°C 
157 hours 
73 mm 
15 days 
15°C 
8°C 
188 hours 
71 mm 
16 days 
June   >> June
>>  
18°C 
11°C 
180 hours 
81 mm 
15 days 
Climate in Rathgar

Average weather in Cloghran

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

Cloghran
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
6°C 
157 hours 
69 mm 
15 days 
16°C 
8°C 
188 hours 
67 mm 
16 days 
June   >> June
>>  
18°C 
11°C 
180 hours 
78 mm 
15 days 
Climate in Cloghran

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

Is May the best time to visit Dublin County?

In our opinion, May is a good time to visit Dublin County with overall tolerable 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 is in July and August with generally perfect weather in Dublin. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Dublin County. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.

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