Weather in Wales, United Kingdom in May

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Visiting Wales, United Kingdom in May

The weather in May is warmer than the previous month and temperatures continue to rise into June. May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 45.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. It is not a good time for sunbathing in Wales.

May has total rainfall of 1.3cm (0.5inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 11°C (52°F). May is too cold for swimming in Wales for any length of time, unless you have a wetsuit. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise quickly into June.

Consider visiting Wales in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for May.

Can you sunbathe in Wales in May?

No, May is not a good time for sunbathing in Wales.

May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 45.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. May has total rainfall of 1.3cm (0.5inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days.

More about May temperature and sunshine.

Can you swim in Wales in May?

No, May is too cold for swimming in Wales for any length of time, with the sea water at 11°C (52°F), unless you have a wetsuit.

More about May sea temperatures.

Is May a good time to holiday in Wales?

No, May is not a good time for a holiday in Wales.

May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 45.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. May has total rainfall of 1.3cm (0.5inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Wales. Sea temperatures are a cold 11°C (52°F). May is too cold for swimming in Wales for any length of time, unless you have a wetsuit.

More about the May temperatures and sunshine.

Is Wales warm in May?

No, Wales is a little too chilly for sunbathing in May.

The average maximum temperature in Wales in May is 15°C (59°F). The average maximum temperature is 13°C (55°) in the previous month and 18°C (64°F) in the next month.

The average temperature in Wales in May is 12°C (53°F). The average temperature is 9°C (48°F) in the previous month and 14°C (58°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Wales in May?

The average day light hours per day in Wales in May are 15.7. The sunshine percentage is 45.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

More about May sunshine.

Temperature in Wales in May

The weather in May is warmer than the previous month and temperatures continue to rise into June. The average maximum temperature in Wales in May is 15°C (59°F). The average maximum temperature is 13°C (55°F) in the previous month and 18°C (64°F) in the next month.

The average temperature in Wales in May is 12°C (53°F). The average temperature is 9°C (48°F) in the previous month and 14°C (58°F) in the next month.

The average minimum temperature in Wales in May is 8°C (47°F). The minimum temperature is 6°C (42°F) in the previous month and 11°C (52°F) in the next month.

Sunshine in Wales in May

The days in May are much longer than the previous month and the days continue to get slightly longer into June. May has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into June. During May the average day light hours are 15.7 per day in Wales. The sunshine percentage is 45.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

The ultraviolet index in Wales in May is typically 6.5 during May. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Wales in May

The average sea water temperature in Wales in May is 11.3°C (52.3°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise quickly into June.

Rainfall in Wales in May

May weather is slightly drier than the previous month. May has a couple of less days of rain than the previous month and rainy days continue to drop slightly into June. The average total rainfall in Wales in May is 1.3cm (0.5inches) and on average there are 14.1 rainy days in May making it a pretty wet time to visit the beach.

Humidity in Wales in May

The maximum dew point (an indicator of humidity) in Wales in May is 10°C (51°F) which is very comfortable. The dew point is 8°C (47°F) in the previous month and 13°C (13°F) in the next month.

The average maximum relative humidity in Wales in May is typically 93.6%. The maximum relative humidity is 93.9% in the previous month and 94% in the next month.

The average relative humidity in Wales in May is typically 79.1%. The average relative humidity is 79.3% in the previous month and 79% in the next month.

Wind Speed in Wales in May

The average maximum wind speed in Wales in May is typically 30KM/H (19MPH). The average maximum wind speed is 30KM/H (19MPH) in the previous month and 28KM/H (18MPH) in the next month.

The average wind speed in Wales in May is typically 19KM/H (12MPH). The average wind speed is 18KM/H (11MPH) in the previous month and 17KM/H (11MPH) in the next month.

The average wind direction in Wales in May is from the West.

Monthly Averages

Suggested Beaches in May

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.