Portmarnock Weather in April

Portmarnock in April sees moderate daytime temperatures of 12°C (54°F) and nighttime lows of 6°C (43°F). Rainfall is fairly high this month at around 68 mm (2.7 in), so pack a rain jacket to stay dry.

Rainfall in Portmarnock in April

You can expect rain on roughly 15 days based on historical data, averaging 68 mm (2.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Portmarnock in April

In April, Portmarnock sees moderate temperatures, with highs of 12°C (54°F). Nights drop to around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Portmarnock in April

You can expect a moderate amount of sunlight, with approximately 157 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Portmarnock in April

Wind speeds average 5 m/s (10 knots) during April. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in April

At 9°C (48°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.