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Holyhead
Water Temperature in the Celtic Sea in Holyhead, Wales: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Holyhead in Wales, 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 Holyhead
6.9°C
TODAY
6.5°C
YESTERDAY
7.6°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Celtic Sea in Holyhead is 6.9°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 Celtic Sea in Holyhead Over the Last 30 Days
The water temperature in Holyhead 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 Holyhead will remain nearly unchanged in the coming days, its value will be 7.7°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 Holyhead 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 |
|---|---|---|---|
| Feb 15 | 7.6°C | 7.8°C | |
| Feb 16 | 7.2°C | 8.3°C | |
| Feb 17 | 6.9°C | 8.3°C | |
| Feb 18 | 6.8°C | 7.5°C | |
| Feb 19 | 6.8°C | 7.8°C | |
| Feb 20 | 6.5°C | 7.5°C | |
| Feb 21 | 6.5°C | 8.0°C | |
| Feb 22 | 6.9°C | 8.0°C | |
| Feb 23 | 8.0°C | 7.0°C | |
| Feb 24 | 8.0°C | 7.1°C | |
| Feb 25 | 8.3°C | 7.2°C | |
| Feb 26 | 8.0°C | 7.3°C | |
| Feb 27 | 7.8°C | 7.4°C | |
| Feb 28 | 8.3°C | 7.5°C | |
| Mar 1 | 8.8°C | 7.6°C | |
| Mar 2 | 8.5°C | 7.7°C |
Sea Temperature in Holyhead Throughout the Year
Throughout the year, the sea temperature in Holyhead never exceeds 64°F (18°C).
Below is the annual chart of sea temperature changes in the Celtic Sea in Holyhead.
January
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9°C | 11°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 8.5°C | 10°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 8.5°C | 10°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9°C | 11°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11°C | 13°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13°C | 15°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 14.5°C | 17°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 15.5°C | 17°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16°C | 18°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 14.5°C | 17°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 Celtic Sea in Holyhead
You can explore detailed data on how the water temperature in Holyhead varies each month:
What Beaches Are There In and Around Holyhead?
Newry Beach
Newry Beach is a 3-stars sandy beach, is located directly in Holyhead. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Penrhos Beach
Penrhos Beach is a 4-stars sandy beach, is located directly in Holyhead. There is parking. There are restrooms. There are cafés. Penrhos Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Beach Holyhead
Beach Holyhead is a 1-stars sandy beach, located in a 2 km (1 miles) radius of Holyhead.
Porth Dafarch Beach
Porth Dafarch Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Holyhead. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Bae Beddmanarch
Bae Beddmanarch is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Holyhead. There is parking. There are restrooms. There are cafés.
Porth Rhwydau Beach
Porth Rhwydau Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Holyhead. There is parking. Porth Rhwydau 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.
Trearddur Bay Beach
Trearddur Bay Beach is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Holyhead. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Porth Diana Beach
Porth Diana Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Holyhead. There is parking. There are cafés. Porth Diana Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Porth Castell Traeth Beach
Porth Castell Traeth Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Holyhead. Snorkeling is possible.
Porth Tywyn Mawr Beach
Porth Tywyn Mawr Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Holyhead. There is parking. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Traeth Penial
Traeth Penial is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Holyhead. There is parking.
Traeth Borth Wen
Traeth Borth Wen is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Holyhead. There is parking. There are restrooms. There are cafés. Traeth Borth Wen is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing.
Borthwen Beach
Borthwen Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Holyhead. There is parking. There are restrooms. There are cafés. Borthwen 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.
Silver Bay Beach
Silver Bay Beach is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Holyhead. There is parking. There are restrooms. Silver Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Porth Trwyn Beach
Porth Trwyn Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Holyhead. There is parking. There are cafés. Porth Trwyn 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.
Porth Trwyn
Porth Trwyn is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Holyhead. There is parking. Porth Trwyn is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Church Bay
Church Bay is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Holyhead. 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. There are cafés. Church Bay 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.
Traeth Cymyran
Traeth Cymyran is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Holyhead.
Traeth Cymyran Beach
Traeth Cymyran Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Holyhead. There is parking. Traeth Cymyran Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Porth Swtan
Porth Swtan is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Holyhead. There is parking. There are restrooms. There are cafés.
Holyhead Weather
FEBRUARY 23
7°C / 10°C
light rainhumidity: 89% | wind: 7 km/h
FEBRUARY 24
5°C / 8°C
light rainhumidity: 87% | wind: 5 km/h
FEBRUARY 25
3°C / 8°C
light rainhumidity: 87% | wind: 3 km/h
FEBRUARY 26
6°C / 8°C
light rainhumidity: 86% | wind: 7 km/h
Sea Temperature in the Celtic Sea in Holyhead: General Trends and Swimming Opportunities
The climate in the coastal regions of Wales, United Kingdom, is generally mild and rainy with moderate temperatures. Due to being surrounded by the sea, these areas usually have cooler summers, warmer winters, and a greater level of humidity compared to the inland regions.
Holyhead is located in Europe in the Northern Hemisphere at a latitude of 53 degrees, along the shores of the Celtic Sea. Holyhead lies within the Wales in United Kingdom.
The average annual daytime air temperature in Holyhead is 13°C (55°F), with the average nighttime temperature being 7°C (45°F). The highest average daily temperature occurs in July, reaching 20°C (67°F), while the lowest is in February at 8°C (47°F). As for nighttime temperatures, the minimum average temperature of 2°C (36°F) is recorded in February, and the maximum is in July, reaching 13°C (55°F).
According to historical data, Holyhead experiences 165 rainy days per year, which accounts for 45 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 17 rainy days and 110 mm (4.3 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 70 mm (2.8 inches) of precipitation.
The average annual water temperature in Celtic Sea in Holyhead is 12°C (54°F). In January, the water reaches its lowest point of the year at 7°C (45°F), while in September, it peaks at 18°C (64°F). In Holyhead, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Holyhead
Nearby Cities
Frequently Asked Questions About Holyhead and its Water Temperatures
What is the current sea temperature in Holyhead?
The water temperature today in the Celtic Sea in Holyhead is 44°F (6.9°C).
In which months is the water temperature in Holyhead comfortable for swimming?
It cannot be guaranteed that the water temperature in Holyhead will be comfortable for swimming in any month of the year.
What is the water temperature in Holyhead during the winter?
The water temperature in the Celtic Sea in Holyhead during the winter ranges from 7°C to 13°C (45°F to 55°F).
What is the water temperature in Holyhead during the spring?
The water temperature in the Celtic Sea in Holyhead during the spring ranges from 7°C to 13°C (45°F to 55°F).
What is the water temperature in Holyhead during the summer?
The water temperature in the Celtic Sea in Holyhead during the summer ranges from 11°C to 17°C (52°F to 63°F).
What is the water temperature in Holyhead during the fall?
The water temperature in the Celtic Sea in Holyhead during the fall ranges from 11°C to 18°C (52°F to 64°F).
Is it possible to swim in the sea in Holyhead at any time of the year?
In Holyhead, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
Is Holyhead a popular tourist destination for beach vacations?
Holyhead has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.
What sea temperatures can I expect in Holyhead in the next month?
In March, the water temperature in the Celtic Sea in Holyhead will range between 45°F (7°C) and 50°F (10°C)