Climate and monthly weather forecastYoughal, Ireland
Climate and monthly weather forecast
Weather in January
In Youghal, Ireland, in January, the average water temperature is 9.8°C (49.6°F). Note: Swimming in 9.8°C (49.6°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in January »Weather in February
In Youghal, Ireland, in February, the average water temperature is 9.4°C (48.9°F). Note: Immersing oneself in 9.4°C (48.9°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in February »Weather in March
The month with the coldest seawater in Youghal, Ireland, is March, with an average sea temperature of 9.3°C (48.7°F). Note: Staying in 9.3°C (48.7°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance. Weather in March »Weather in April
In Youghal, Ireland, the average seawater temperature in April is 10.2°C (50.4°F). Note: With an efficient thermal swimsuit, one can navigate 10.2°C (50.4°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Weather in April »Weather in May
In Youghal, Ireland, the average seawater temperature in May is 11.8°C (53.2°F). Note: Swimming in 11.8°C (53.2°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina. Weather in May »Weather in June
In Youghal, Ireland, in June, the average water temperature is 13.5°C (56.3°F). Note: Swimming in 13.5°C (56.3°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in June »Weather in July
In Youghal, Ireland, the average seawater temperature in July is 15.8°C (60.4°F). Note: Swimming in water at 15.8°C (60.4°F) is not a pleasurable experience for most. Weather in July »Weather in August
August is the month with the warmest seawater in Youghal, Ireland, with an average sea temperature of 16.3°C (61.3°F). Note: For most people, swimming in water at 16.3°C (61.3°F) is not a pleasurable experience. Weather in August »Weather in September
In September, the average sea temperature in Youghal, Ireland, is 15.7°C (60.3°F). Note: The majority of people do not enjoy swimming in 15.7°C (60.3°F). Weather in September »Weather in October
In Youghal, Ireland, in October, the average water temperature is 14.3°C (57.7°F). Note: Diving into 14.3°C (57.7°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in October »Weather in November
In Youghal, Ireland, the average seawater temperature in November is 12.8°C (55°F). Note: Beware of 12.8°C (55°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health. Weather in November »Weather in December
In Youghal, Ireland, the average seawater temperature in December is 11.3°C (52.3°F). Note: Swimming at temperatures less than 10°C (50°F) in 11.3°C (52.3°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in December »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
The month with the coldest seawater in Youghal is March, with an average sea temperature of 9.3°C (48.7°F).
With an average of 16h and 36min of daylight, June has the longest days of the year.
August is the month with the warmest seawater in Youghal, with an average sea temperature of 16.3°C (61.3°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.
December has the shortest days of the year in Youghal, with an average of 7h and 54min of daylight.
Average sea temperature
Youghal, Ireland
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).
Average daylight
Youghal, Ireland
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 54min
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).





