County Antrim Weather in May

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

Planning a trip to County Antrim, Ireland this May? Here's what you need to know about the weather:

What to Expect in County Antrim in May

County Antrim, Ireland 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 (59°F) and nighttime temperatures around 8°C (46°F) in Lisburn.

For specific regional insights in County Antrim, Ireland, refer to the map provided below.

Precipitation

May is a moderate rainy month with an average rainfall of around 77 mm (3 in) in Lisburn.

Average sunshine

Sunshine is fairly consistent across many areas. Lisburn receives about 184 hours of sunlight in May, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore County Antrim by month

Best Places to Visit in County Antrim in May

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

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 County Antrim

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

Temperature range in County Antrim (May)

Precipitation variation in County Antrim (May)

Lisburn

In May Lisburn 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 tolerable that month.

May
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
154 hours
184 hours
170 hours
Monthly rainfall
74 mm (2.9 in)
77 mm (3 in)
85 mm (3.3 in)
Monthly rainy days
16 days
17 days
16 days
Weather conditions

Belfast

In May Belfast 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 tolerable that month.

May
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
154 hours
184 hours
170 hours
Monthly rainfall
74 mm (2.9 in)
77 mm (3 in)
87 mm (3.4 in)
Monthly rainy days
16 days
17 days
16 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Lisburn 15°C (59°F) 8°C (46°F) 77 mm (3 in)
Belfast 16°C (61°F) 8°C (46°F) 77 mm (3 in)

County Antrim weather in May: frequently asked questions

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

Expect tolerable weather across County Antrim, Ireland in May. The popular destination of Lisburn averages 15°C (59°F) by day and 8°C (46°F) at night during this month.

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

In Lisburn, the average daytime high in May is 15°C (59°F), while nighttime temperatures drop to around 8°C (46°F).

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

May is on the drier side in County Antrim, Ireland. Lisburn averages only about 77 mm (3 in), with most days staying dry.

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

In our opinion, May is a good time to visit County Antrim, Ireland 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.