Climate and monthly weather forecast
Carrigaline, Ireland


The climate of Carrigaline

Characterized under the Köppen climate classification as a Cfb type, Carrigaline, Ireland typically features a Marine west coast climate that is known for its warm summers. This seaside town, with geographical positioning along the South coast of County Cork, experiences steady climate conditions throughout the year, with minor variations in temperatures and daylight hours.

In accordance to its Cfb climate designation, Carrigaline weather fluctuates moderately over the year. Sea temperatures teeter from a low of 9.4°C (48.9°F) in March to a peak of 16.4°C (61.5°F) in August, suggesting quite remarkable variations in water temperatures. The town experiences a gradual increase in daylight hours as the year progresses, beginning at 7.9 hours in December and peaking at 16.6 hours in June.

A noteworthy feature of Carrigaline's climate is the relatively mild sea temperature range from 9.4°C (48.9°F) to 16.4°C (61.5°F). This limited temperature band results in a temperate climate, where the area is neither extremely hot nor cold. The daylight hours vary too, with the longest and shortest days of the year differing by no less than 8.7 hours.

The best time to visit Carrigaline

Maximizing the enjoyment of Carrigaline’s scenic views, green landscapes and coastline is best done between June and August when the sea temperatures are warmest, ranging from 13.5°C (56.3°F) to 16.4°C (61.5°F). During these months, the town also experiences its longest daylight hours, from 16.2 hours to 16.6 hours, providing ample time to explore the tourism charms of Carrigaline.

The worst time to visit Carrigaline

Planning a visit to Carrigaline from December to February is considered less favorable due to the region's coldest sea temperatures and shortest daylight hours. The sea temperatures during this period range from 11.2°C (52.2°F) to 9.5°C (49.1°F), while the daylight times vary from 7.9 hours to 10 hours only, limiting outdoor activities and sightseeing opportunities.

Spring weather in Carrigaline

Spring ushers in a slightly warmer climate in Carrigaline, accruing sea temperatures from 9.4°C (48.9°F) in March to 13.5°C (56.3°F) by May. Concurrent with the rising temperatures, daylight hours also increase during this season. Starting from 10 hours in March, daylight extends to 16.6 hours by May end, providing longer days for outdoor ventures.

Summer weather in Carrigaline

Residing in the warm-summer Mediterranean climate zone, Carrigaline presents an enjoyable summer climate. Sea temperature rise from 15.8°C (60.4°F) in June and peak at 16.4°C (61.5°F) in August. Meanwhile, daylight hours during the summer remain on the higher side, starting from 16.6 hours in June but slightly decreasing to 14.6 hours by August.

Autumn weather in Carrigaline

Autumn in Carrigaline sees a gradual cooling trend, with sea temperatures falling from 15.7°C (60.3°F) in September to 12.8°C (55°F) in November. Along with this, daylight hours also shorten, starting from 12.6 hours in September and reducing to 8.9 hours by November.

Winter weather in Carrigaline

Winter brings the coldest months to Carrigaline. Sea temperatures hover between 11.2°C (52.2°F) in December and 9.5°C (49.1°F) by February. Correspondingly, the number of daylight hours are shortest this time of the year, starting from 7.9 hours in December and lengthening slightly to 10 hours by the end of February. Despite the cooler seas and shorter days, Carrigaline's temperate winters are far from harsh.

Weather in January

The new year begins with cooler sea temperatures in Carrigaline as the water drops to its lowest average of 9.4°C (48.9°F). The bitingly cold Irish Sea discourages most from partaking in water activities during this month. Despite the low temperature, abundant daylight fills the city, a sign of the longer days to come. Weather in January »

Weather in February

As winter continues, the weather in Carrigaline remains relatively stable with sea temperatures marginally warmer at 9.5°C (49.1°F). The extra daytime illumination in February becomes progressively more noticeable. With spring on the horizon, locals and visitors alike eagerly anticipate warmer days. Weather in February »

Weather in March

March brings a shift in Carrigaline’s weather scenario as the month records an average sea temperature of 10.3°C (50.5°F). The arrival of spring is most notable in the added hours of daylight, a welcome change from the short days of winter. Weather in March »

Weather in April

April enjoys a significant jump in sea temperatures, averaging at 11.7°C (53.1°F), heralding the onset of warmer days in Carrigaline. The expanded daylight hours provide ample opportunities for sightseeing and nature exploration. Weather in April »

Weather in May

May features a consistent climb in sea temperatures, contributing to the overall warming trend of Carrigaline's climatological landscape. The lengthened duration of daylight allows for extended outdoor recreations, capitalising on Ireland's late spring. Weather in May »

Weather in June

Weather in June reaches a delightful peak, with sea temperatures escalating to 13.5°C (56.3°F), the highest so far this year in Carrigaline. Long, sunny days help cultivate a lively atmosphere conducive to outdoor activities, picnics, and festivals. Weather in June »

Weather in July

With the sea temperatures soaring to a pleasant 15.8°C (60.4°F), July is considered one of the warmest months in Carrigaline. The town comes alive with citizens and tourists who savour the longest days of the year. July’s quintessential summer weather corresponds with Carrigaline's busiest tourist season. Weather in July »

Weather in August

August is a delightful summer month in Carrigaline, with sea temperatures cresting at 16.4°C (61.5°F), the highest average for the year. The thriving variety of marine and coastal life makes August a popular month for beach visits and water activities. Weather in August »

Weather in September

In Carrigaline, September begins to witness a decline in warmth as sea temperatures drop to 15.7°C (60.3°F). The initial signs of autumn gradually start to reveal themselves. Fading summer blooms and lengthening shadows add a mystic charm to the cityscape. Weather in September »

Weather in October

October displays a remarkable drop in sea temperatures to 14.2°C (57.6°F), signifying the onset of cooler weather in Carrigaline. The changing colours of the landscape herald the arrival of autumn proper. The shorter days and calming chill in the air encourage cozy indoor gatherings over al fresco activities. Weather in October »

Weather in November

In Carrigaline, Ireland, the average seawater temperature in November is 12.8°C (55°F). Note: Dipping into 12.8°C (55°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Weather in November »

Weather in December

Concluding the calendar year, December records an average sea temperature of 11.2°C (52.2°F). Carrigaline takes on a particularly festive mood as daylight hours diminish. Despite the chill, the town sparkles with decorative lights and the warm spirit of the festive season. Weather in December »
Resources | Updated: Jan 27, 2024 | Published by: Weather Atlas

Frequently asked questions

What month is the sea coldest in Carrigaline?

The month with the coldest seawater is March, with an average sea temperature of 9.4°C (48.9°F).

When are the longest days in Carrigaline?

With an average of 16h and 36min of daylight, June has the longest days of the year in Carrigaline, Ireland.

When is the sea warmest in Carrigaline?

With an average sea temperature of 16.4°C (61.5°F), August is the month with the warmest seawater.

When is Daylight Saving Time (DST) in Carrigaline?

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.

What is the month with the shortest days in Carrigaline?

With an average of 7h and 54min of daylight, December has the shortest days of the year.

Average sea temperature
Carrigaline, Ireland

Average sea temperature - Carrigaline, Ireland

The best month for swimming (with the highest average sea temperature) is August (16.4°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).


Average daylight
Carrigaline, Ireland

Average daylight - Carrigaline, Ireland

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).


Carrigaline, Ireland

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