Ulster Sea Temperature

This page provides detailed information about the water temperature in Ulster, Ireland. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Sea Temperature

7.1°C

minimal

7.4°C

average

7.6°C

maximum

Graph of Sea Temperature Changes in Ulster Over the Last 60 Days

Water temperature in the Ulster by month

Month	Minimum	Maximum
January	7°C	12°C
February	7°C	11°C
March	6°C	11°C
April	7°C	11°C
May	8°C	13°C
June	9°C	17°C
July	11°C	19°C
August	13°C	18°C
September	13°C	17°C
October	11°C	16°C
November	10°C	14°C
December	8°C	12°C

The Warmest Places on the Seaside in Ulster Today

8°C

Dungloe

8°C

Kincasslagh

8°C

Bundoran

8°C

Rossbeg

8°C

Portnoo

8°C

Burtonport

List of All Coastal Cities in Ulster

Seas and Oceans that Border Ulster

Atlantic Ocean

Ireland: List of Regions

Water Temperature in Ulster: General Trends and Swimming Opportunities

Original name of the region: Ulaidh

Ulster, located in the northernmost part of Ireland, has a coastline along both the Atlantic Ocean and the Irish Sea, which results in water temperatures that tend to be cooler than those found further south in the country. During the winter months, sea temperatures along Ulster’s coast typically drop to around 6°C to 8°C (43°F to 46°F), making the waters quite cold for swimming. However, this coolness is typical of northern waters and is still suitable for activities such as sailing, boating, or enjoying the coastal scenery.

As summer arrives, sea temperatures in Ulster rise slightly but remain relatively cool compared to more southern regions. In July and August, the sea temperature can range from about 12°C to 15°C (54°F to 59°F). These temperatures, while still cool, are more bearable for water sports like surfing or kayaking, especially for those who are used to colder waters. The coastlines of counties like Donegal and Antrim are popular for these activities, where the rugged beauty of the landscape is complemented by the refreshing, though chilly, waters.

Ulster’s water temperatures are heavily influenced by the cold currents of the North Atlantic Ocean. This keeps the region’s seas cool year-round, with only a modest increase in temperature during the summer months. Despite this, the coastline still offers a unique and invigorating experience for visitors, especially those seeking an escape from the warmer seas of more southern locations in Europe.

Geographical Location of Ulster

Frequently Asked Questions About Ulster and its Water Temperatures

What is the current sea temperature on the coast of Ulster in Ireland?

The sea temperature today on the coast of Ulster ranges from 45°F (7.1°C) in Moville to 46°F (7.6°C) in Dungloe.

When does the sea in Ulster in Ireland reach a comfortable swimming temperature?

The sea temperature in Ulster (Ireland) never warms up to 70°F (21°C). Its maximum value is 66°F (19°C) in July. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Ulster, the values may vary.

What are the most popular seaside resorts in Ulster?

The most popular places on the coast of Ulster (Ireland), based on our visitors' interest in the water temperature, are cities Portsalon, Donegal, Buncrana, Bundoran, and Burtonport.

Which seas and oceans does the Ulster have access to?

Ulster (Ireland) has access only to the Atlantic Ocean.