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Weather in May in Glamorgan

Considering a trip to Glamorgan this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Glamorgan in May?

Glamorgan is a region in the United Kingdom. May in Glamorgan generally has mild temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C and nighttime temperatures around 9°C in Cardiff. To learn more about the conditions in specific areas of Glamorgan in May, check out the map below.

For specific regional insights in Glamorgan, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Penarth with an average of 77 mm to high rainfall in Crynant with 103 mm.

Average sunshine

The city Cardiff usually sees around 197 hours of sunlight, indicating many sunny days.

For a more detailed look at Glamorgan's conditions throughout the year, check out our Glamorgan climate page.

Where to go in Glamorgan in May

Find more information for the most popular destinations in the Glamorgan on the map below. Click on a destination dot for more details.

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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).

Select a Month of Interest

Check the conditions for any month of the year.

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

Popular destinations

What is the weather like in May for the 5 most popular destinations in Glamorgan?

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.

Cardiff
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 
180 hours 
78 mm 
15 days 
16°C 
9°C 
197 hours 
79 mm 
15 days 
June   >> June
>>  
18°C 
12°C 
194 hours 
82 mm 
14 days 
Climate in Cardiff

Merthyr Tydfil

In May Merthyr Tydfil generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Merthyr Tydfil
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 
4°C 
180 hours 
89 mm 
16 days 
16°C 
7°C 
197 hours 
96 mm 
16 days 
June   >> June
>>  
18°C 
10°C 
194 hours 
95 mm 
16 days 
Climate in Merthyr Tydfil

Bridgend

In May Bridgend 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.

Bridgend
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 
180 hours 
78 mm 
15 days 
16°C 
9°C 
197 hours 
80 mm 
16 days 
June   >> June
>>  
18°C 
12°C 
194 hours 
85 mm 
15 days 
Climate in Bridgend

The Mumbles

In May The Mumbles generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

The Mumbles
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 
7°C 
180 hours 
81 mm 
14 days 
15°C 
9°C 
197 hours 
82 mm 
15 days 
June   >> June
>>  
18°C 
12°C 
194 hours 
92 mm 
15 days 
Climate in The Mumbles

Barry

In May Barry 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.

Barry
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 
180 hours 
78 mm 
15 days 
16°C 
9°C 
197 hours 
79 mm 
15 days 
June   >> June
>>  
18°C 
12°C 
194 hours 
81 mm 
14 days 
Climate in Barry

Is your destination not in the list? Have a look at other destinations in Glamorgan, in the United Kingdom.

Is May the best time to visit Glamorgan?

Given the typically tolerable weather conditions in Cardiff, May might be a good time to visit Glamorgan. 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 Glamorgan.

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 travel conditions. Find out where to go with our weather planner.