Belfast weather in May (County Antrim, Ireland)

Wondering what the weather is like in Belfast during May? Find all the essential weather information for this month in our guide.

Temperatures

The month of May in Belfast typically brings moderate temperatures and moderate rainfall. Anticipate daytime highs near 16°C, and cooler nights with temperatures around 8°C.

Precipitation

Belfast in May usually receives moderate rainfall, averaging around 77 mm for the month. Past climate data indicates that roughly 17 days will see rain.

Average sunshine

Expect a moderate amount of sunlight, with approximately 184 hours. This means a pleasant mix of sun and clouds.

If you prefer dry days with pleasant temperatures, July typically offers the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Belfast climate page with graphs.

 

Belfast, monthly averages in May

Min Temperature 8°C  

Max Temperature 16°C  

Water Temperature 9°C  

Chance of Rain 57%  

Precipitation 77 mm  

Rainy days 17 days  

Humidity 89%  

Windspeed 14 km/h  

Sunshine 184 hours  

Percentage Sunshine 39%  

Where to go in Ireland in May

Find out more about the weather in Ireland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 9°C there is no need to bring your swimwear.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Belfast.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find 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.