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Weather in May in County Antrim

Thinking about venturing to County Antrim this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in County Antrim in May?

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

Temperatures

You can expect mild maximum daytime temperatures of around 15°C and nighttime temperatures around 8°C in Lisburn.

Precipitation

May is a moderate rainy month with an average rainfall of around 77 mm in Lisburn.

Average sunshine

Most cities enjoy a balanced amount of sunshine, with around 184 hours of sunlight anticipated in Lisburn. This ensures the days are neither too dim nor excessively sunny.

To learn more about the conditions in specific areas of County Antrim in May, check out the map below. For more details on the yearly weather, visit our County Antrim climate page.

Where to go in County Antrim in May

Find more information for the most popular destinations in the County Antrim on the map below. Click on a destination dot for more detailes.

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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

What is the weather like in May for the 2 most popular destinations in County Antrim?

Lisburn

In May Lisburn 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.

Lisburn
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 
154 hours 
74 mm 
16 days 
15°C 
8°C 
184 hours 
77 mm 
17 days 
June   >> June
>>  
18°C 
11°C 
170 hours 
85 mm 
16 days 
Climate in Lisburn

Belfast

In May Belfast 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.

Belfast
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 
5°C 
154 hours 
74 mm 
16 days 
16°C 
8°C 
184 hours 
77 mm 
17 days 
June   >> June
>>  
18°C 
10°C 
170 hours 
87 mm 
16 days 
Climate in Belfast

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

Is May the best time to visit County Antrim?

In our opinion, May is a good time to visit County Antrim with overall tolerable weather in Lisburn. However, the weather conditions may vary depending on your destination.

Generally speaking, June, July and August provide pleasant weather in Lisburn. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

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

    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.