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Wales Weather May
To help you choose the best time to travel, you can find climate data below on the weather in Wales in May.
Wales Weather May: | Cardiff | Swansea | |
average daily high | +17.1°C | +15°C | |
average daily low | +8.3°C | +9.2°C | |
sea temperature | +11.3°C | +11.3°C | |
daylight hours | 16.4h | 16.4h | |
sunny/overcast hours | 6.1/10.3h | ||
average monthly precipitation | 72 mm | 63 mm |
Temperature in Wales
The average daily maximum in May is +17.1 — +15°C, and the minimum +8.3 — +9.2°C.
Best places in Wales:
Most Popular Destinations in the World
Sea temperature
The average monthly temperature in the Bristol Channel on the beaches of Cardiff in May is +11.3 degrees and on the beaches of Swansea +11.3 degrees.
The water is very cold and only suitable to bathe in shortly for the most hardy people.
Precipitation
The normal amount of precipitation for May is from 63 to 72 mm, which may cause a change of plans on certain days.