May
Weather in May
May is the doorway to summer in Portrane as the weather transitions to warmer, sunnier times. The sea temperature sees a notable rise, measuring at a delightful 10.4°C (50.7°F), serving as a prelude to the incoming summer. Lengthening daylight hours invite the possibilities of prolonged beach activities, late in the evening. While May beckons the promise of summer, the weather transformation from chilly March to milder April is truly significant. The expectation of June brings an image of ideal beach weather, increased temperatures, and maximized daylight.
Note: Swimming in 10.4°C (50.7°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.
On the first day of May in Portrane, sunrise is at 5:48 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 9:42 pm IST.
Sea temperature
In May, the average sea temperature in Portrane is 10.4°C (50.7°F).Note: Swimming in 10.4°C (50.7°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.
Daylight
In May, the average length of the day is 15h and 56min.On the first day of May in Portrane, sunrise is at 5:48 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 9:42 pm IST.
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the water temperature in May in Portrane?
In Portrane, Ireland, the average seawater temperature in May is 10.4°C (50.7°F). Swimming in 10.4°C (50.7°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 Portrane have in May?
In Portrane, the average day length in May is 15h and 56min.
When are sunrise and sunset in May in Portrane?
On the first day of May in Portrane, sunrise is at 5:48 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 9:42 pm IST.
Average sea temperature in May
Portrane, Ireland
- Average sea temperature in May: 10.4°C
The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in May
Portrane, Ireland
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
