Weather in May
Sea temperature
In Saint Ives, United Kingdom, the average seawater temperature in May is 12°C (53.6°F).Note: Without suitable protection, venturing into 12°C (53.6°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
The average length of the day in May is 15h and 28min.On the first day of May, sunrise is at 5:56 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 9:22 pm BST.
Frequently asked questions
What is the sea water temperature in May in Saint Ives?
In Saint Ives, United Kingdom, the average seawater temperature in May is 12°C (53.6°F). Swimming in 12°C (53.6°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 Ives have in May?
The average day length in May is 15h and 28min.
What time are sunrise and sunset in May in Saint Ives?
On the first day of May in Saint Ives, United Kingdom, sunrise is at 5:56 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 9:22 pm BST.
Average sea temperature in May
Saint Ives, United Kingdom
- Average sea temperature in May: 12°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in May
Saint Ives, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
Saint Ives, United Kingdom
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