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Ardglass
Water Temperature in the Irish Sea in Ardglass, Northen Ireland: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Ardglass in Northen Ireland, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Ardglass
7.7°C
TODAY
8.2°C
YESTERDAY
7.6°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Irish Sea in Ardglass is 7.7°C. This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Irish Sea in Ardglass Over the Last 30 Days
The water temperature in Ardglass today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Ardglass will remain nearly unchanged in the coming days, its value will be 8.2°C.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across United Kingdom to enhance accuracy.
Water temperature data for Ardglass and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
Date | Current | Average | Forecast |
---|---|---|---|
Apr 1 | 7.6°C | 8.0°C | |
Apr 2 | 7.3°C | 8.5°C | |
Apr 3 | 7.6°C | 8.5°C | |
Apr 4 | 7.8°C | 8.3°C | |
Apr 5 | 7.8°C | 7.8°C | |
Apr 6 | 7.5°C | 8.0°C | |
Apr 7 | 8.2°C | 8.0°C | |
Apr 8 | 7.7°C | 8.3°C | |
Apr 9 | 8.3°C | 7.8°C | |
Apr 10 | 8.8°C | 7.9°C | |
Apr 11 | 8.5°C | 8.0°C | |
Apr 12 | 8.5°C | 8.1°C | |
Apr 13 | 7.8°C | 8.1°C | |
Apr 14 | 8.0°C | 8.1°C | |
Apr 15 | 8.8°C | 8.2°C | |
Apr 16 | 8.0°C | 8.2°C |
Sea Temperature in Ardglass Throughout the Year
Throughout the year, the sea temperature in Ardglass never exceeds 64°F (18°C).
Below is the annual chart of sea temperature changes in the Irish Sea in Ardglass.

January
Minimum | Average | Maximum |
---|---|---|
7°C | 8.5°C | 10°C |
February
Minimum | Average | Maximum |
---|---|---|
7°C | 8.5°C | 10°C |
March
Minimum | Average | Maximum |
---|---|---|
6°C | 8°C | 10°C |
April
Minimum | Average | Maximum |
---|---|---|
7°C | 9°C | 11°C |
May
Minimum | Average | Maximum |
---|---|---|
8°C | 10.5°C | 13°C |
June
Minimum | Average | Maximum |
---|---|---|
9°C | 12°C | 15°C |
July
Minimum | Average | Maximum |
---|---|---|
11°C | 14.5°C | 18°C |
August
Minimum | Average | Maximum |
---|---|---|
12°C | 14.5°C | 17°C |
September
Minimum | Average | Maximum |
---|---|---|
13°C | 15°C | 17°C |
October
Minimum | Average | Maximum |
---|---|---|
12°C | 13.5°C | 15°C |
November
Minimum | Average | Maximum |
---|---|---|
11°C | 13°C | 15°C |
December
Minimum | Average | Maximum |
---|---|---|
9°C | 11°C | 13°C |
Monthly Water Temperature Histogram for Irish Sea in Ardglass
You can explore detailed data on how the water temperature in Ardglass varies each month:
What Beaches Are There In and Around Ardglass?
St. Michaels Park Beach
St. Michaels Park Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Ardglass. There is parking. St. Michaels Park Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Rossglass Beach
Rossglass Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Ardglass. There is parking. Rossglass Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Ballyhornan Bay Beach
Ballyhornan Bay Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Ardglass. There is parking. There are shops. There are cafés.
Mill Quarter Bay
Mill Quarter Bay is a 1-stars pebble beach, located in a 6 km (4 miles) radius of Ardglass.
Tyrella Beach
Tyrella Beach is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Ardglass. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. Tyrella Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Clanmaghery Bay Beach
Clanmaghery Bay Beach is a 1-stars pebble beach, located in a 9 km (6 miles) radius of Ardglass. Snorkeling is possible.
Kilclief Beach
Kilclief Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Ardglass. Snorkeling is possible.
Ardglass Weather
APRIL 9
7°C / 16°C
few clouds: 11-25%humidity: 71% | wind: 1 km/h
APRIL 10
7°C / 15°C
overcast clouds: 85-100%humidity: 78% | wind: 2 km/h
APRIL 11
8°C / 13°C
broken clouds: 51-84%humidity: 83% | wind: 2 km/h
APRIL 12
9°C / 9°C
overcast clouds: 85-100%humidity: 86% | wind: 3 km/h



Sea Temperature in the Irish Sea in Ardglass: General Trends and Swimming Opportunities
The coastal area of Northern Ireland, United Kingdom, features a temperate maritime climate characterized by relatively mild and damp conditions throughout the year. Winters are generally cool with temperatures averaging around 5°C, while summers are mild, with temperatures usually around 15-20°C, and rainfall is evenly distributed throughout the year.
Ardglass is located in Europe in the Northern Hemisphere at a latitude of 54 degrees, along the shores of the Irish Sea. Ardglass lies within the Northen Ireland in United Kingdom.
The average annual daytime air temperature in Ardglass is 14°C (57°F), with the average nighttime temperature being 7°C (45°F). The highest average daily temperature occurs in July, reaching 19°C (67°F), while the lowest is in January at 9°C (48°F). As for nighttime temperatures, the minimum average temperature of 3°C (37°F) is recorded in January, and the maximum is in July, reaching 12°C (53°F).
According to historical data, Ardglass experiences 175 rainy days per year, which accounts for 48 percent of all days in the year. On average, there are 15 rainy days each month. The wettest month is January, with 17 rainy days and 63 mm (2.5 inches) of precipitation, while the driest month is June, which typically has 12 rainy days and only 61 mm (2.4 inches) of precipitation.
The average annual water temperature in Irish Sea in Ardglass is 12°C (54°F). In March, the water reaches its lowest point of the year at 6°C (43°F), while in July, it peaks at 18°C (64°F). In Ardglass, the water temperature in the Irish Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Ardglass
Nearby Cities
Frequently Asked Questions About Ardglass and its Water Temperatures
What is the current sea temperature in Ardglass?
The water temperature today in the Irish Sea in Ardglass is 46°F (7.7°C).
In which months is the water temperature in Ardglass comfortable for swimming?
It cannot be guaranteed that the water temperature in Ardglass will be comfortable for swimming in any month of the year.
What is the water temperature in Ardglass during the winter?
The water temperature in the Irish Sea in Ardglass during the winter ranges from 7°C to 13°C (45°F to 55°F).
What is the water temperature in Ardglass during the spring?
The water temperature in the Irish Sea in Ardglass during the spring ranges from 6°C to 13°C (43°F to 55°F).
What is the water temperature in Ardglass during the summer?
The water temperature in the Irish Sea in Ardglass during the summer ranges from 9°C to 18°C (48°F to 64°F).
What is the water temperature in Ardglass during the fall?
The water temperature in the Irish Sea in Ardglass during the fall ranges from 11°C to 17°C (52°F to 63°F).
Is it possible to swim in the sea in Ardglass at any time of the year?
In Ardglass, the Irish Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
What sea temperatures can I expect in Ardglass in the next month?
In May, the water temperature in the Irish Sea in Ardglass will range between 46°F (8°C) and 55°F (13°C)