April weather forecast
Cork, Ireland

In April, Cork experiences an increased momentum in the shift from winter to spring. Outdoor activities gain popularity, encouraged by the sight of emerging blooms and longer light hours. The rainfall also tides over to more milder downpours, favoring the growth of abundant greenery. Even though there is a slight increase in sea temperatures, swimming remains an activity for the truly adventurous. Apart from occasional rain showers, the weather remains pleasant and lends itself well for touring this city in Southern Ireland.

Temperature

Entering April, Cork's average high-temperature reads a still cool 12°C (53.6°F), indicating a close resemblance to the previous month's climate. Cork registers a consistent average low-temperature of 5°C (41°F) during April.

Rainfall

The months with the least rainfall are April and June Rain falls for 15 days and accumulates 61mm (2.4") of rain.

Sea temperature

In Cork, the average seawater temperature in April is 10.3°C (50.5°F).
Note: Dipping into 10.3°C (50.5°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.

Daylight

The average length of the day in April in Cork is 13h and 56min.
On the first day of April in Cork, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:57 pm IST.

Sunshine

In April, the average sunshine is 5h.

UV index

In Cork, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.