Lisburn Weather in May

May in Lisburn averages 15°C (59°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 77 mm (3 in) on average. An umbrella is a good idea.

Rainfall in Lisburn in May

Typically around 17 days of rainfall are expected, averaging 77 mm (3 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Lisburn in May

Expect highs of 15°C (59°F) in Lisburn in May, with nights dropping to around 8°C (46°F). Conditions are often most pleasant around the middle of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Lisburn in May

The area enjoys a balanced 184 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Lisburn in May

In May, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in May

At 9°C (48°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

For Lisburn itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
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• May
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For a detailed overview over the year and the best time to visit Ireland, check out our Lisburn's climate page.

Lisburn Temperature in May

Min Temperature 8°C (46°F)  

Max Temperature 15°C (59°F)  

Water Temperature 9°C (48°F) *  

Chance of Rain 55%  

Precipitation 77 mm (3 in)  

Rainy days 17 days  

Humidity 89% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 184 hours *  

Percentage Sunshine 39% *  

* Data from: Belfast, Ireland (19 KM, 11 Miles).

What to Wear in Lisburn in May

The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 9°C (48°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Lisburn in May

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Lisburn's climate page.

More climate data for Lisburn

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Lisburn climate overview or explore weather in Ireland.