Weather in May
Sea temperature
In Saint David's, United Kingdom, in May, the average water temperature is 11.1°C (52°F).Note: Swimming in 11.1°C (52°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
The average length of the day in May is 15h and 41min.On the first day of May in Saint David's, United Kingdom, sunrise is at 5:50 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 9:29 pm BST.
Frequently asked questions
How cold is the water in May in Saint David's?
In Saint David's, in May, the average water temperature is 11.1°C (52°F). Swimming in 11.1°C (52°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Saint David's have in May?
In May, the average day length in Saint David's, United Kingdom, is 15h and 41min.
When are sunrise and sunset in May in Saint David's?
On the first day of May in Saint David's, sunrise is at 5:50 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 9:29 pm BST.
Average sea temperature in May
Saint David's, United Kingdom
- Average sea temperature in May: 11.1°C
The best month for swimming (with the highest average sea temperature) is August (16.2°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in May
Saint David's, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
Saint David's, United Kingdom
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