Wales weather in May
Are you planning a trip to Wales in May and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Wales in May?
Wales is a region in the United Kingdom. May in Wales generally has moderate temperatures, with moderate precipitation.
You can expect moderate maximum daytime temperatures of around 16°C and nighttime temperatures around 9°C in Cardiff.
In May, precipitation varies across different areas. From moderate rainfall in Cardiff with an average of 79 mm to moderate rainfall in Swansea with 86 mm. Meanwhile, Cardiff enjoys close to 197 hours of sunlight. This means it's a great month if you prefer bright and sunny days.
For specific regional insights in Wales for May, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Wales climate page.
Where to go in Wales in May
perfect weather
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Popular destinations in Wales
What is the weather like in May for the 2 most popular destinations in Wales?
Average weather in Cardiff
In May Cardiff 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.
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Average weather in Swansea
In May Swansea 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.
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Is your destination not in the list? Have a look at other destinations in Wales, in the United Kingdom.
Is May the best time to visit Wales?
Given the typically tolerable weather conditions in Cardiff, May might be a good time to visit Wales. However, the weather conditions may vary depending on your destination.
Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Cardiff. The weather in January, February, November and December, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in Wales.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.